Home / 21,581,029.70-32,371,544.55-20,585,701.70

Finding the Fourth Proportional to 21,581,029.70, 32,371,544.55 and 20,585,701.70

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Solution

The fourth proportional to 21,581,029.70, 32,371,544.55 and 20,585,701.70 is: 30,878,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,029.70 : 32,371,544.55 = 20,585,701.70 : x
  2. Step 2: Convert to fraction form
    21,581,029.70/32,371,544.55 = 20,585,701.70/x
  3. Step 3: Cross multiply
    21,581,029.70x = 32,371,544.55 × 20,585,701.70
  4. Step 4: Simplify right side
    21,581,029.70x = 666,390,959,674,560.75
  5. Step 5: Solve for x
    x = 666,390,959,674,560.75/21,581,029.70
  6. Step 6: Final answer
    x = 30,878,552.55

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.