Home / 32,318.40-48,499.20-14,779.20

Finding the Fourth Proportional to 32,318.40, 48,499.20 and 14,779.20

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Solution

The fourth proportional to 32,318.40, 48,499.20 and 14,779.20 is: 22,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,318.40 : 48,499.20 = 14,779.20 : x
  2. Step 2: Convert to fraction form
    32,318.40/48,499.20 = 14,779.20/x
  3. Step 3: Cross multiply
    32,318.40x = 48,499.20 × 14,779.20
  4. Step 4: Simplify right side
    32,318.40x = 716,779,376.64
  5. Step 5: Solve for x
    x = 716,779,376.64/32,318.40
  6. Step 6: Final answer
    x = 22,178.68

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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.