Home / 32,555.60-48,703.80-28,221.20

Finding the Fourth Proportional to 32,555.60, 48,703.80 and 28,221.20

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Solution

The fourth proportional to 32,555.60, 48,703.80 and 28,221.20 is: 42,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,555.60 : 48,703.80 = 28,221.20 : x
  2. Step 2: Convert to fraction form
    32,555.60/48,703.80 = 28,221.20/x
  3. Step 3: Cross multiply
    32,555.60x = 48,703.80 × 28,221.20
  4. Step 4: Simplify right side
    32,555.60x = 1,374,479,680.56
  5. Step 5: Solve for x
    x = 1,374,479,680.56/32,555.60
  6. Step 6: Final answer
    x = 42,219.45

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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.