Home / 45,686.79-63,067.20-27,787.55

Finding the Fourth Proportional to 45,686.79, 63,067.20 and 27,787.55

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Solution

The fourth proportional to 45,686.79, 63,067.20 and 27,787.55 is: 38,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,686.79 : 63,067.20 = 27,787.55 : x
  2. Step 2: Convert to fraction form
    45,686.79/63,067.20 = 27,787.55/x
  3. Step 3: Cross multiply
    45,686.79x = 63,067.20 × 27,787.55
  4. Step 4: Simplify right side
    45,686.79x = 1,752,482,973.36
  5. Step 5: Solve for x
    x = 1,752,482,973.36/45,686.79
  6. Step 6: Final answer
    x = 38,358.64

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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.