Home / 39,559.76-54,592.53-21,655.91

Finding the Fourth Proportional to 39,559.76, 54,592.53 and 21,655.91

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Solution

The fourth proportional to 39,559.76, 54,592.53 and 21,655.91 is: 29,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,559.76 : 54,592.53 = 21,655.91 : x
  2. Step 2: Convert to fraction form
    39,559.76/54,592.53 = 21,655.91/x
  3. Step 3: Cross multiply
    39,559.76x = 54,592.53 × 21,655.91
  4. Step 4: Simplify right side
    39,559.76x = 1,182,250,643.39
  5. Step 5: Solve for x
    x = 1,182,250,643.39/39,559.76
  6. Step 6: Final answer
    x = 29,885.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.