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Finding the Fourth Proportional to 32,159.02, 48,019.62 and 28,379.26

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Solution

The fourth proportional to 32,159.02, 48,019.62 and 28,379.26 is: 42,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,159.02 : 48,019.62 = 28,379.26 : x
  2. Step 2: Convert to fraction form
    32,159.02/48,019.62 = 28,379.26/x
  3. Step 3: Cross multiply
    32,159.02x = 48,019.62 × 28,379.26
  4. Step 4: Simplify right side
    32,159.02x = 1,362,761,281.08
  5. Step 5: Solve for x
    x = 1,362,761,281.08/32,159.02
  6. Step 6: Final answer
    x = 42,375.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.