Home / 42,946.24-64,422.24-11,778.88

Finding the Fourth Proportional to 42,946.24, 64,422.24 and 11,778.88

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Solution

The fourth proportional to 42,946.24, 64,422.24 and 11,778.88 is: 17,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,946.24 : 64,422.24 = 11,778.88 : x
  2. Step 2: Convert to fraction form
    42,946.24/64,422.24 = 11,778.88/x
  3. Step 3: Cross multiply
    42,946.24x = 64,422.24 × 11,778.88
  4. Step 4: Simplify right side
    42,946.24x = 758,821,834.29
  5. Step 5: Solve for x
    x = 758,821,834.29/42,946.24
  6. Step 6: Final answer
    x = 17,669.11

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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.