Home / 48,140.76-72,170.64-21,838.44

Finding the Fourth Proportional to 48,140.76, 72,170.64 and 21,838.44

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Solution

The fourth proportional to 48,140.76, 72,170.64 and 21,838.44 is: 32,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,140.76 : 72,170.64 = 21,838.44 : x
  2. Step 2: Convert to fraction form
    48,140.76/72,170.64 = 21,838.44/x
  3. Step 3: Cross multiply
    48,140.76x = 72,170.64 × 21,838.44
  4. Step 4: Simplify right side
    48,140.76x = 1,576,094,191.40
  5. Step 5: Solve for x
    x = 1,576,094,191.40/48,140.76
  6. Step 6: Final answer
    x = 32,739.29

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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.