Home / 51,064.29-70,467.70-28,402.79

Finding the Fourth Proportional to 51,064.29, 70,467.70 and 28,402.79

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Solution

The fourth proportional to 51,064.29, 70,467.70 and 28,402.79 is: 39,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,064.29 : 70,467.70 = 28,402.79 : x
  2. Step 2: Convert to fraction form
    51,064.29/70,467.70 = 28,402.79/x
  3. Step 3: Cross multiply
    51,064.29x = 70,467.70 × 28,402.79
  4. Step 4: Simplify right side
    51,064.29x = 2,001,478,790.53
  5. Step 5: Solve for x
    x = 2,001,478,790.53/51,064.29
  6. Step 6: Final answer
    x = 39,195.28

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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.