Home / 42,392.97-63,633.74-31,312.17

Finding the Fourth Proportional to 42,392.97, 63,633.74 and 31,312.17

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Solution

The fourth proportional to 42,392.97, 63,633.74 and 31,312.17 is: 47,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,392.97 : 63,633.74 = 31,312.17 : x
  2. Step 2: Convert to fraction form
    42,392.97/63,633.74 = 31,312.17/x
  3. Step 3: Cross multiply
    42,392.97x = 63,633.74 × 31,312.17
  4. Step 4: Simplify right side
    42,392.97x = 1,992,510,328.05
  5. Step 5: Solve for x
    x = 1,992,510,328.05/42,392.97
  6. Step 6: Final answer
    x = 47,000.96

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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.