Home / 38,187.51-52,699.05-21,191.82

Finding the Fourth Proportional to 38,187.51, 52,699.05 and 21,191.82

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Solution

The fourth proportional to 38,187.51, 52,699.05 and 21,191.82 is: 29,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.51 : 52,699.05 = 21,191.82 : x
  2. Step 2: Convert to fraction form
    38,187.51/52,699.05 = 21,191.82/x
  3. Step 3: Cross multiply
    38,187.51x = 52,699.05 × 21,191.82
  4. Step 4: Simplify right side
    38,187.51x = 1,116,788,781.77
  5. Step 5: Solve for x
    x = 1,116,788,781.77/38,187.51
  6. Step 6: Final answer
    x = 29,244.87

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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.