Home / 42,073.92-63,117.16-12,488.26

Finding the Fourth Proportional to 42,073.92, 63,117.16 and 12,488.26

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Solution

The fourth proportional to 42,073.92, 63,117.16 and 12,488.26 is: 18,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,073.92 : 63,117.16 = 12,488.26 : x
  2. Step 2: Convert to fraction form
    42,073.92/63,117.16 = 12,488.26/x
  3. Step 3: Cross multiply
    42,073.92x = 63,117.16 × 12,488.26
  4. Step 4: Simplify right side
    42,073.92x = 788,223,504.54
  5. Step 5: Solve for x
    x = 788,223,504.54/42,073.92
  6. Step 6: Final answer
    x = 18,734.25

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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.