Home / 50,531.28-69,731.56-27,870.24

Finding the Fourth Proportional to 50,531.28, 69,731.56 and 27,870.24

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Solution

The fourth proportional to 50,531.28, 69,731.56 and 27,870.24 is: 38,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,531.28 : 69,731.56 = 27,870.24 : x
  2. Step 2: Convert to fraction form
    50,531.28/69,731.56 = 27,870.24/x
  3. Step 3: Cross multiply
    50,531.28x = 69,731.56 × 27,870.24
  4. Step 4: Simplify right side
    50,531.28x = 1,943,435,312.77
  5. Step 5: Solve for x
    x = 1,943,435,312.77/50,531.28
  6. Step 6: Final answer
    x = 38,460.05

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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.