Home / 58,218.30-87,327.45-23,139.90

Finding the Fourth Proportional to 58,218.30, 87,327.45 and 23,139.90

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Solution

The fourth proportional to 58,218.30, 87,327.45 and 23,139.90 is: 34,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,218.30 : 87,327.45 = 23,139.90 : x
  2. Step 2: Convert to fraction form
    58,218.30/87,327.45 = 23,139.90/x
  3. Step 3: Cross multiply
    58,218.30x = 87,327.45 × 23,139.90
  4. Step 4: Simplify right side
    58,218.30x = 2,020,748,460.26
  5. Step 5: Solve for x
    x = 2,020,748,460.26/58,218.30
  6. Step 6: Final answer
    x = 34,709.85

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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.