Home / 32,430.39-48,648.09-12,449.49

Finding the Fourth Proportional to 32,430.39, 48,648.09 and 12,449.49

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Solution

The fourth proportional to 32,430.39, 48,648.09 and 12,449.49 is: 18,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,430.39 : 48,648.09 = 12,449.49 : x
  2. Step 2: Convert to fraction form
    32,430.39/48,648.09 = 12,449.49/x
  3. Step 3: Cross multiply
    32,430.39x = 48,648.09 × 12,449.49
  4. Step 4: Simplify right side
    32,430.39x = 605,643,909.97
  5. Step 5: Solve for x
    x = 605,643,909.97/32,430.39
  6. Step 6: Final answer
    x = 18,675.20

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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.