Home / 42,966.74-59,281.92-27,860

Finding the Fourth Proportional to 42,966.74, 59,281.92 and 27,860

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Solution

The fourth proportional to 42,966.74, 59,281.92 and 27,860 is: 38,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,966.74 : 59,281.92 = 27,860 : x
  2. Step 2: Convert to fraction form
    42,966.74/59,281.92 = 27,860/x
  3. Step 3: Cross multiply
    42,966.74x = 59,281.92 × 27,860
  4. Step 4: Simplify right side
    42,966.74x = 1,651,594,291.20
  5. Step 5: Solve for x
    x = 1,651,594,291.20/42,966.74
  6. Step 6: Final answer
    x = 38,438.90

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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.