Home / 42,700.08-58,878.18-27,572.88

Finding the Fourth Proportional to 42,700.08, 58,878.18 and 27,572.88

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Solution

The fourth proportional to 42,700.08, 58,878.18 and 27,572.88 is: 38,019.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,700.08 : 58,878.18 = 27,572.88 : x
  2. Step 2: Convert to fraction form
    42,700.08/58,878.18 = 27,572.88/x
  3. Step 3: Cross multiply
    42,700.08x = 58,878.18 × 27,572.88
  4. Step 4: Simplify right side
    42,700.08x = 1,623,440,991.76
  5. Step 5: Solve for x
    x = 1,623,440,991.76/42,700.08
  6. Step 6: Final answer
    x = 38,019.62

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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.