Home / 30,285.70-45,386.02-25,820.27

Finding the Fourth Proportional to 30,285.70, 45,386.02 and 25,820.27

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Solution

The fourth proportional to 30,285.70, 45,386.02 and 25,820.27 is: 38,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.70 : 45,386.02 = 25,820.27 : x
  2. Step 2: Convert to fraction form
    30,285.70/45,386.02 = 25,820.27/x
  3. Step 3: Cross multiply
    30,285.70x = 45,386.02 × 25,820.27
  4. Step 4: Simplify right side
    30,285.70x = 1,171,879,266.17
  5. Step 5: Solve for x
    x = 1,171,879,266.17/30,285.70
  6. Step 6: Final answer
    x = 38,694.15

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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.