Home / 50,700.13-69,966.78-28,040.98

Finding the Fourth Proportional to 50,700.13, 69,966.78 and 28,040.98

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Solution

The fourth proportional to 50,700.13, 69,966.78 and 28,040.98 is: 38,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,700.13 : 69,966.78 = 28,040.98 : x
  2. Step 2: Convert to fraction form
    50,700.13/69,966.78 = 28,040.98/x
  3. Step 3: Cross multiply
    50,700.13x = 69,966.78 × 28,040.98
  4. Step 4: Simplify right side
    50,700.13x = 1,961,937,078.64
  5. Step 5: Solve for x
    x = 1,961,937,078.64/50,700.13
  6. Step 6: Final answer
    x = 38,696.88

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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.