Home / 39,948.40-59,829.16-31,572.20

Finding the Fourth Proportional to 39,948.40, 59,829.16 and 31,572.20

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Solution

The fourth proportional to 39,948.40, 59,829.16 and 31,572.20 is: 47,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.40 : 59,829.16 = 31,572.20 : x
  2. Step 2: Convert to fraction form
    39,948.40/59,829.16 = 31,572.20/x
  3. Step 3: Cross multiply
    39,948.40x = 59,829.16 × 31,572.20
  4. Step 4: Simplify right side
    39,948.40x = 1,888,938,205.35
  5. Step 5: Solve for x
    x = 1,888,938,205.35/39,948.40
  6. Step 6: Final answer
    x = 47,284.45

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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.