Home / 42,764.29-64,128.08-14,687.17

Finding the Fourth Proportional to 42,764.29, 64,128.08 and 14,687.17

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Solution

The fourth proportional to 42,764.29, 64,128.08 and 14,687.17 is: 22,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,764.29 : 64,128.08 = 14,687.17 : x
  2. Step 2: Convert to fraction form
    42,764.29/64,128.08 = 14,687.17/x
  3. Step 3: Cross multiply
    42,764.29x = 64,128.08 × 14,687.17
  4. Step 4: Simplify right side
    42,764.29x = 941,859,889.13
  5. Step 5: Solve for x
    x = 941,859,889.13/42,764.29
  6. Step 6: Final answer
    x = 22,024.45

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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.