Home / 51,036.68-70,417.32-29,803.88

Finding the Fourth Proportional to 51,036.68, 70,417.32 and 29,803.88

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Solution

The fourth proportional to 51,036.68, 70,417.32 and 29,803.88 is: 41,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036.68 : 70,417.32 = 29,803.88 : x
  2. Step 2: Convert to fraction form
    51,036.68/70,417.32 = 29,803.88/x
  3. Step 3: Cross multiply
    51,036.68x = 70,417.32 × 29,803.88
  4. Step 4: Simplify right side
    51,036.68x = 2,098,709,355.20
  5. Step 5: Solve for x
    x = 2,098,709,355.20/51,036.68
  6. Step 6: Final answer
    x = 41,121.59

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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.