Home / 39,789.56-59,569.14-29,970.20

Finding the Fourth Proportional to 39,789.56, 59,569.14 and 29,970.20

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Solution

The fourth proportional to 39,789.56, 59,569.14 and 29,970.20 is: 44,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789.56 : 59,569.14 = 29,970.20 : x
  2. Step 2: Convert to fraction form
    39,789.56/59,569.14 = 29,970.20/x
  3. Step 3: Cross multiply
    39,789.56x = 59,569.14 × 29,970.20
  4. Step 4: Simplify right side
    39,789.56x = 1,785,299,039.63
  5. Step 5: Solve for x
    x = 1,785,299,039.63/39,789.56
  6. Step 6: Final answer
    x = 44,868.53

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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.