Home / 43,730.43-65,595.60-12,565.68

Finding the Fourth Proportional to 43,730.43, 65,595.60 and 12,565.68

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Solution

The fourth proportional to 43,730.43, 65,595.60 and 12,565.68 is: 18,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,730.43 : 65,595.60 = 12,565.68 : x
  2. Step 2: Convert to fraction form
    43,730.43/65,595.60 = 12,565.68/x
  3. Step 3: Cross multiply
    43,730.43x = 65,595.60 × 12,565.68
  4. Step 4: Simplify right side
    43,730.43x = 824,253,319.01
  5. Step 5: Solve for x
    x = 824,253,319.01/43,730.43
  6. Step 6: Final answer
    x = 18,848.51

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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.