Home / 42,623.16-63,930.48-13,041.26

Finding the Fourth Proportional to 42,623.16, 63,930.48 and 13,041.26

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Solution

The fourth proportional to 42,623.16, 63,930.48 and 13,041.26 is: 19,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623.16 : 63,930.48 = 13,041.26 : x
  2. Step 2: Convert to fraction form
    42,623.16/63,930.48 = 13,041.26/x
  3. Step 3: Cross multiply
    42,623.16x = 63,930.48 × 13,041.26
  4. Step 4: Simplify right side
    42,623.16x = 833,733,691.95
  5. Step 5: Solve for x
    x = 833,733,691.95/42,623.16
  6. Step 6: Final answer
    x = 19,560.58

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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.