Home / 58,787.88-81,182.62-40,931.72

Finding the Fourth Proportional to 58,787.88, 81,182.62 and 40,931.72

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Solution

The fourth proportional to 58,787.88, 81,182.62 and 40,931.72 is: 56,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,787.88 : 81,182.62 = 40,931.72 : x
  2. Step 2: Convert to fraction form
    58,787.88/81,182.62 = 40,931.72/x
  3. Step 3: Cross multiply
    58,787.88x = 81,182.62 × 40,931.72
  4. Step 4: Simplify right side
    58,787.88x = 3,322,944,270.71
  5. Step 5: Solve for x
    x = 3,322,944,270.71/58,787.88
  6. Step 6: Final answer
    x = 56,524.31

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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.