Home / 74,966.19-112,432.70-21,646.59

Finding the Fourth Proportional to 74,966.19, 112,432.70 and 21,646.59

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Solution

The fourth proportional to 74,966.19, 112,432.70 and 21,646.59 is: 32,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,966.19 : 112,432.70 = 21,646.59 : x
  2. Step 2: Convert to fraction form
    74,966.19/112,432.70 = 21,646.59/x
  3. Step 3: Cross multiply
    74,966.19x = 112,432.70 × 21,646.59
  4. Step 4: Simplify right side
    74,966.19x = 2,433,784,702.66
  5. Step 5: Solve for x
    x = 2,433,784,702.66/74,966.19
  6. Step 6: Final answer
    x = 32,465.10

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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.