Home / 32,430.40-48,667.20-14,891.20

Finding the Fourth Proportional to 32,430.40, 48,667.20 and 14,891.20

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Solution

The fourth proportional to 32,430.40, 48,667.20 and 14,891.20 is: 22,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,430.40 : 48,667.20 = 14,891.20 : x
  2. Step 2: Convert to fraction form
    32,430.40/48,667.20 = 14,891.20/x
  3. Step 3: Cross multiply
    32,430.40x = 48,667.20 × 14,891.20
  4. Step 4: Simplify right side
    32,430.40x = 724,713,008.64
  5. Step 5: Solve for x
    x = 724,713,008.64/32,430.40
  6. Step 6: Final answer
    x = 22,346.72

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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.