Home / 53,102.17-79,615.81-21,502.91

Finding the Fourth Proportional to 53,102.17, 79,615.81 and 21,502.91

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Solution

The fourth proportional to 53,102.17, 79,615.81 and 21,502.91 is: 32,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,102.17 : 79,615.81 = 21,502.91 : x
  2. Step 2: Convert to fraction form
    53,102.17/79,615.81 = 21,502.91/x
  3. Step 3: Cross multiply
    53,102.17x = 79,615.81 × 21,502.91
  4. Step 4: Simplify right side
    53,102.17x = 1,711,971,597.01
  5. Step 5: Solve for x
    x = 1,711,971,597.01/53,102.17
  6. Step 6: Final answer
    x = 32,239.20

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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.