Home / 38,772.84-58,124.57-18,771.02

Finding the Fourth Proportional to 38,772.84, 58,124.57 and 18,771.02

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Solution

The fourth proportional to 38,772.84, 58,124.57 and 18,771.02 is: 28,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772.84 : 58,124.57 = 18,771.02 : x
  2. Step 2: Convert to fraction form
    38,772.84/58,124.57 = 18,771.02/x
  3. Step 3: Cross multiply
    38,772.84x = 58,124.57 × 18,771.02
  4. Step 4: Simplify right side
    38,772.84x = 1,091,057,081.48
  5. Step 5: Solve for x
    x = 1,091,057,081.48/38,772.84
  6. Step 6: Final answer
    x = 28,139.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.