Home / 58,309.60-87,442.56-18,856.16

Finding the Fourth Proportional to 58,309.60, 87,442.56 and 18,856.16

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Solution

The fourth proportional to 58,309.60, 87,442.56 and 18,856.16 is: 28,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,309.60 : 87,442.56 = 18,856.16 : x
  2. Step 2: Convert to fraction form
    58,309.60/87,442.56 = 18,856.16/x
  3. Step 3: Cross multiply
    58,309.60x = 87,442.56 × 18,856.16
  4. Step 4: Simplify right side
    58,309.60x = 1,648,830,902.17
  5. Step 5: Solve for x
    x = 1,648,830,902.17/58,309.60
  6. Step 6: Final answer
    x = 28,277.18

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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.