Home / 53,140.47-79,710.57-36,449.88

Finding the Fourth Proportional to 53,140.47, 79,710.57 and 36,449.88

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Solution

The fourth proportional to 53,140.47, 79,710.57 and 36,449.88 is: 54,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,140.47 : 79,710.57 = 36,449.88 : x
  2. Step 2: Convert to fraction form
    53,140.47/79,710.57 = 36,449.88/x
  3. Step 3: Cross multiply
    53,140.47x = 79,710.57 × 36,449.88
  4. Step 4: Simplify right side
    53,140.47x = 2,905,440,711.23
  5. Step 5: Solve for x
    x = 2,905,440,711.23/53,140.47
  6. Step 6: Final answer
    x = 54,674.73

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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.