Home / 58,861.20-88,294.56-19,421.76

Finding the Fourth Proportional to 58,861.20, 88,294.56 and 19,421.76

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Solution

The fourth proportional to 58,861.20, 88,294.56 and 19,421.76 is: 29,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,861.20 : 88,294.56 = 19,421.76 : x
  2. Step 2: Convert to fraction form
    58,861.20/88,294.56 = 19,421.76/x
  3. Step 3: Cross multiply
    58,861.20x = 88,294.56 × 19,421.76
  4. Step 4: Simplify right side
    58,861.20x = 1,714,835,753.63
  5. Step 5: Solve for x
    x = 1,714,835,753.63/58,861.20
  6. Step 6: Final answer
    x = 29,133.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.