Home / 39,963.12-59,929.08-14,989.50

Finding the Fourth Proportional to 39,963.12, 59,929.08 and 14,989.50

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Solution

The fourth proportional to 39,963.12, 59,929.08 and 14,989.50 is: 22,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963.12 : 59,929.08 = 14,989.50 : x
  2. Step 2: Convert to fraction form
    39,963.12/59,929.08 = 14,989.50/x
  3. Step 3: Cross multiply
    39,963.12x = 59,929.08 × 14,989.50
  4. Step 4: Simplify right side
    39,963.12x = 898,306,944.66
  5. Step 5: Solve for x
    x = 898,306,944.66/39,963.12
  6. Step 6: Final answer
    x = 22,478.40

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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.