Home / 51,368.38-70,891.10-28,707.92

Finding the Fourth Proportional to 51,368.38, 70,891.10 and 28,707.92

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Solution

The fourth proportional to 51,368.38, 70,891.10 and 28,707.92 is: 39,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,368.38 : 70,891.10 = 28,707.92 : x
  2. Step 2: Convert to fraction form
    51,368.38/70,891.10 = 28,707.92/x
  3. Step 3: Cross multiply
    51,368.38x = 70,891.10 × 28,707.92
  4. Step 4: Simplify right side
    51,368.38x = 2,035,135,903.01
  5. Step 5: Solve for x
    x = 2,035,135,903.01/51,368.38
  6. Step 6: Final answer
    x = 39,618.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.