Home / 38,351.78-52,925.43-21,585.14

Finding the Fourth Proportional to 38,351.78, 52,925.43 and 21,585.14

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Solution

The fourth proportional to 38,351.78, 52,925.43 and 21,585.14 is: 29,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351.78 : 52,925.43 = 21,585.14 : x
  2. Step 2: Convert to fraction form
    38,351.78/52,925.43 = 21,585.14/x
  3. Step 3: Cross multiply
    38,351.78x = 52,925.43 × 21,585.14
  4. Step 4: Simplify right side
    38,351.78x = 1,142,402,816.11
  5. Step 5: Solve for x
    x = 1,142,402,816.11/38,351.78
  6. Step 6: Final answer
    x = 29,787.48

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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.