Home / 51,332.08-77,003-20,160.08

Finding the Fourth Proportional to 51,332.08, 77,003 and 20,160.08

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Solution

The fourth proportional to 51,332.08, 77,003 and 20,160.08 is: 30,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.08 : 77,003 = 20,160.08 : x
  2. Step 2: Convert to fraction form
    51,332.08/77,003 = 20,160.08/x
  3. Step 3: Cross multiply
    51,332.08x = 77,003 × 20,160.08
  4. Step 4: Simplify right side
    51,332.08x = 1,552,386,640.24
  5. Step 5: Solve for x
    x = 1,552,386,640.24/51,332.08
  6. Step 6: Final answer
    x = 30,242.04

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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.