Home / 38,187.98-52,695.14-21,191.66

Finding the Fourth Proportional to 38,187.98, 52,695.14 and 21,191.66

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Solution

The fourth proportional to 38,187.98, 52,695.14 and 21,191.66 is: 29,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.98 : 52,695.14 = 21,191.66 : x
  2. Step 2: Convert to fraction form
    38,187.98/52,695.14 = 21,191.66/x
  3. Step 3: Cross multiply
    38,187.98x = 52,695.14 × 21,191.66
  4. Step 4: Simplify right side
    38,187.98x = 1,116,697,490.53
  5. Step 5: Solve for x
    x = 1,116,697,490.53/38,187.98
  6. Step 6: Final answer
    x = 29,242.12

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1.5x scale

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.