Home / 66,475.78-91,737.36-38,184.10

Finding the Fourth Proportional to 66,475.78, 91,737.36 and 38,184.10

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Solution

The fourth proportional to 66,475.78, 91,737.36 and 38,184.10 is: 52,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,475.78 : 91,737.36 = 38,184.10 : x
  2. Step 2: Convert to fraction form
    66,475.78/91,737.36 = 38,184.10/x
  3. Step 3: Cross multiply
    66,475.78x = 91,737.36 × 38,184.10
  4. Step 4: Simplify right side
    66,475.78x = 3,502,908,527.98
  5. Step 5: Solve for x
    x = 3,502,908,527.98/66,475.78
  6. Step 6: Final answer
    x = 52,694.51

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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.