Home / 53,242.29-79,697.28-39,218.16

Finding the Fourth Proportional to 53,242.29, 79,697.28 and 39,218.16

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Solution

The fourth proportional to 53,242.29, 79,697.28 and 39,218.16 is: 58,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242.29 : 79,697.28 = 39,218.16 : x
  2. Step 2: Convert to fraction form
    53,242.29/79,697.28 = 39,218.16/x
  3. Step 3: Cross multiply
    53,242.29x = 79,697.28 × 39,218.16
  4. Step 4: Simplify right side
    53,242.29x = 3,125,580,678.60
  5. Step 5: Solve for x
    x = 3,125,580,678.60/53,242.29
  6. Step 6: Final answer
    x = 58,704.85

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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.