Home / 38,398.14-52,988.85-21,403.08

Finding the Fourth Proportional to 38,398.14, 52,988.85 and 21,403.08

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Solution

The fourth proportional to 38,398.14, 52,988.85 and 21,403.08 is: 29,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.14 : 52,988.85 = 21,403.08 : x
  2. Step 2: Convert to fraction form
    38,398.14/52,988.85 = 21,403.08/x
  3. Step 3: Cross multiply
    38,398.14x = 52,988.85 × 21,403.08
  4. Step 4: Simplify right side
    38,398.14x = 1,134,124,595.66
  5. Step 5: Solve for x
    x = 1,134,124,595.66/38,398.14
  6. Step 6: Final answer
    x = 29,535.93

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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.