Home / 40,810.10-61,178.25-14,508.70

Finding the Fourth Proportional to 40,810.10, 61,178.25 and 14,508.70

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Solution

The fourth proportional to 40,810.10, 61,178.25 and 14,508.70 is: 21,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,810.10 : 61,178.25 = 14,508.70 : x
  2. Step 2: Convert to fraction form
    40,810.10/61,178.25 = 14,508.70/x
  3. Step 3: Cross multiply
    40,810.10x = 61,178.25 × 14,508.70
  4. Step 4: Simplify right side
    40,810.10x = 887,616,569.88
  5. Step 5: Solve for x
    x = 887,616,569.88/40,810.10
  6. Step 6: Final answer
    x = 21,749.92

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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.