Home / 38,108.79-52,590.17-21,341.79

Finding the Fourth Proportional to 38,108.79, 52,590.17 and 21,341.79

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Solution

The fourth proportional to 38,108.79, 52,590.17 and 21,341.79 is: 29,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,108.79 : 52,590.17 = 21,341.79 : x
  2. Step 2: Convert to fraction form
    38,108.79/52,590.17 = 21,341.79/x
  3. Step 3: Cross multiply
    38,108.79x = 52,590.17 × 21,341.79
  4. Step 4: Simplify right side
    38,108.79x = 1,122,368,364.20
  5. Step 5: Solve for x
    x = 1,122,368,364.20/38,108.79
  6. Step 6: Final answer
    x = 29,451.69

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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.