Home / 42,924.76-64,384.02-11,757.56

Finding the Fourth Proportional to 42,924.76, 64,384.02 and 11,757.56

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Solution

The fourth proportional to 42,924.76, 64,384.02 and 11,757.56 is: 17,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,924.76 : 64,384.02 = 11,757.56 : x
  2. Step 2: Convert to fraction form
    42,924.76/64,384.02 = 11,757.56/x
  3. Step 3: Cross multiply
    42,924.76x = 64,384.02 × 11,757.56
  4. Step 4: Simplify right side
    42,924.76x = 756,998,978.19
  5. Step 5: Solve for x
    x = 756,998,978.19/42,924.76
  6. Step 6: Final answer
    x = 17,635.49

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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.