Home / 52,058.60-71,840-28,185.08

Finding the Fourth Proportional to 52,058.60, 71,840 and 28,185.08

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Solution

The fourth proportional to 52,058.60, 71,840 and 28,185.08 is: 38,894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,058.60 : 71,840 = 28,185.08 : x
  2. Step 2: Convert to fraction form
    52,058.60/71,840 = 28,185.08/x
  3. Step 3: Cross multiply
    52,058.60x = 71,840 × 28,185.08
  4. Step 4: Simplify right side
    52,058.60x = 2,024,816,147.20
  5. Step 5: Solve for x
    x = 2,024,816,147.20/52,058.60
  6. Step 6: Final answer
    x = 38,894.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.