Home / 42,307.68-63,440.72-17,340.92

Finding the Fourth Proportional to 42,307.68, 63,440.72 and 17,340.92

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Solution

The fourth proportional to 42,307.68, 63,440.72 and 17,340.92 is: 26,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,307.68 : 63,440.72 = 17,340.92 : x
  2. Step 2: Convert to fraction form
    42,307.68/63,440.72 = 17,340.92/x
  3. Step 3: Cross multiply
    42,307.68x = 63,440.72 × 17,340.92
  4. Step 4: Simplify right side
    42,307.68x = 1,100,120,450.26
  5. Step 5: Solve for x
    x = 1,100,120,450.26/42,307.68
  6. Step 6: Final answer
    x = 26,002.85

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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.