Home / 51,641.50-77,447.24-21,654.91

Finding the Fourth Proportional to 51,641.50, 77,447.24 and 21,654.91

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Solution

The fourth proportional to 51,641.50, 77,447.24 and 21,654.91 is: 32,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641.50 : 77,447.24 = 21,654.91 : x
  2. Step 2: Convert to fraction form
    51,641.50/77,447.24 = 21,654.91/x
  3. Step 3: Cross multiply
    51,641.50x = 77,447.24 × 21,654.91
  4. Step 4: Simplify right side
    51,641.50x = 1,677,112,903.67
  5. Step 5: Solve for x
    x = 1,677,112,903.67/51,641.50
  6. Step 6: Final answer
    x = 32,476.07

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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.