Home / 39,830.46-54,966.02-21,925.38

Finding the Fourth Proportional to 39,830.46, 54,966.02 and 21,925.38

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Solution

The fourth proportional to 39,830.46, 54,966.02 and 21,925.38 is: 30,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.46 : 54,966.02 = 21,925.38 : x
  2. Step 2: Convert to fraction form
    39,830.46/54,966.02 = 21,925.38/x
  3. Step 3: Cross multiply
    39,830.46x = 54,966.02 × 21,925.38
  4. Step 4: Simplify right side
    39,830.46x = 1,205,150,875.59
  5. Step 5: Solve for x
    x = 1,205,150,875.59/39,830.46
  6. Step 6: Final answer
    x = 30,257.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.