Home / 77,044.40-115,555.80-24,459.20

Finding the Fourth Proportional to 77,044.40, 115,555.80 and 24,459.20

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Solution

The fourth proportional to 77,044.40, 115,555.80 and 24,459.20 is: 36,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,044.40 : 115,555.80 = 24,459.20 : x
  2. Step 2: Convert to fraction form
    77,044.40/115,555.80 = 24,459.20/x
  3. Step 3: Cross multiply
    77,044.40x = 115,555.80 × 24,459.20
  4. Step 4: Simplify right side
    77,044.40x = 2,826,402,423.36
  5. Step 5: Solve for x
    x = 2,826,402,423.36/77,044.40
  6. Step 6: Final answer
    x = 36,685.37

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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.