Home / 48,223.29-72,339.71-20,152.12

Finding the Fourth Proportional to 48,223.29, 72,339.71 and 20,152.12

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Solution

The fourth proportional to 48,223.29, 72,339.71 and 20,152.12 is: 30,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,223.29 : 72,339.71 = 20,152.12 : x
  2. Step 2: Convert to fraction form
    48,223.29/72,339.71 = 20,152.12/x
  3. Step 3: Cross multiply
    48,223.29x = 72,339.71 × 20,152.12
  4. Step 4: Simplify right side
    48,223.29x = 1,457,798,516.69
  5. Step 5: Solve for x
    x = 1,457,798,516.69/48,223.29
  6. Step 6: Final answer
    x = 30,230.18

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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.