Home / 41,203.52-61,802.10-13,125.18

Finding the Fourth Proportional to 41,203.52, 61,802.10 and 13,125.18

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Solution

The fourth proportional to 41,203.52, 61,802.10 and 13,125.18 is: 19,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,203.52 : 61,802.10 = 13,125.18 : x
  2. Step 2: Convert to fraction form
    41,203.52/61,802.10 = 13,125.18/x
  3. Step 3: Cross multiply
    41,203.52x = 61,802.10 × 13,125.18
  4. Step 4: Simplify right side
    41,203.52x = 811,163,686.88
  5. Step 5: Solve for x
    x = 811,163,686.88/41,203.52
  6. Step 6: Final answer
    x = 19,686.76

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1.5x scale

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.