Home / 51,669.80-77,475.60-17,920.01

Finding the Fourth Proportional to 51,669.80, 77,475.60 and 17,920.01

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Solution

The fourth proportional to 51,669.80, 77,475.60 and 17,920.01 is: 26,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,669.80 : 77,475.60 = 17,920.01 : x
  2. Step 2: Convert to fraction form
    51,669.80/77,475.60 = 17,920.01/x
  3. Step 3: Cross multiply
    51,669.80x = 77,475.60 × 17,920.01
  4. Step 4: Simplify right side
    51,669.80x = 1,388,363,139.38
  5. Step 5: Solve for x
    x = 1,388,363,139.38/51,669.80
  6. Step 6: Final answer
    x = 26,869.92

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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.