Home / 45,406.17-68,109.14-21,641.69

Finding the Fourth Proportional to 45,406.17, 68,109.14 and 21,641.69

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Solution

The fourth proportional to 45,406.17, 68,109.14 and 21,641.69 is: 32,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,406.17 : 68,109.14 = 21,641.69 : x
  2. Step 2: Convert to fraction form
    45,406.17/68,109.14 = 21,641.69/x
  3. Step 3: Cross multiply
    45,406.17x = 68,109.14 × 21,641.69
  4. Step 4: Simplify right side
    45,406.17x = 1,473,996,445.29
  5. Step 5: Solve for x
    x = 1,473,996,445.29/45,406.17
  6. Step 6: Final answer
    x = 32,462.47

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1.5x scale

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.