Home / 54,772.86-82,159.29-21,508.59

Finding the Fourth Proportional to 54,772.86, 82,159.29 and 21,508.59

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Solution

The fourth proportional to 54,772.86, 82,159.29 and 21,508.59 is: 32,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,772.86 : 82,159.29 = 21,508.59 : x
  2. Step 2: Convert to fraction form
    54,772.86/82,159.29 = 21,508.59/x
  3. Step 3: Cross multiply
    54,772.86x = 82,159.29 × 21,508.59
  4. Step 4: Simplify right side
    54,772.86x = 1,767,130,483.30
  5. Step 5: Solve for x
    x = 1,767,130,483.30/54,772.86
  6. Step 6: Final answer
    x = 32,262.89

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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.