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Finding the Fourth Proportional to 32,182.40, 48,273.60 and 21,123.20

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Solution

The fourth proportional to 32,182.40, 48,273.60 and 21,123.20 is: 31,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,182.40 : 48,273.60 = 21,123.20 : x
  2. Step 2: Convert to fraction form
    32,182.40/48,273.60 = 21,123.20/x
  3. Step 3: Cross multiply
    32,182.40x = 48,273.60 × 21,123.20
  4. Step 4: Simplify right side
    32,182.40x = 1,019,692,907.52
  5. Step 5: Solve for x
    x = 1,019,692,907.52/32,182.40
  6. Step 6: Final answer
    x = 31,684.80

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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.