Home / 50,681.74-69,938.61-27,711.15

Finding the Fourth Proportional to 50,681.74, 69,938.61 and 27,711.15

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Solution

The fourth proportional to 50,681.74, 69,938.61 and 27,711.15 is: 38,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,681.74 : 69,938.61 = 27,711.15 : x
  2. Step 2: Convert to fraction form
    50,681.74/69,938.61 = 27,711.15/x
  3. Step 3: Cross multiply
    50,681.74x = 69,938.61 × 27,711.15
  4. Step 4: Simplify right side
    50,681.74x = 1,938,079,312.50
  5. Step 5: Solve for x
    x = 1,938,079,312.50/50,681.74
  6. Step 6: Final answer
    x = 38,240.19

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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.