Home / 38,300.66-57,451.02-12,007.45

Finding the Fourth Proportional to 38,300.66, 57,451.02 and 12,007.45

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Solution

The fourth proportional to 38,300.66, 57,451.02 and 12,007.45 is: 18,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300.66 : 57,451.02 = 12,007.45 : x
  2. Step 2: Convert to fraction form
    38,300.66/57,451.02 = 12,007.45/x
  3. Step 3: Cross multiply
    38,300.66x = 57,451.02 × 12,007.45
  4. Step 4: Simplify right side
    38,300.66x = 689,840,250.10
  5. Step 5: Solve for x
    x = 689,840,250.10/38,300.66
  6. Step 6: Final answer
    x = 18,011.18

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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.