Home / 42,278.36-63,419.56-34,869.08

Finding the Fourth Proportional to 42,278.36, 63,419.56 and 34,869.08

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Solution

The fourth proportional to 42,278.36, 63,419.56 and 34,869.08 is: 52,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,278.36 : 63,419.56 = 34,869.08 : x
  2. Step 2: Convert to fraction form
    42,278.36/63,419.56 = 34,869.08/x
  3. Step 3: Cross multiply
    42,278.36x = 63,419.56 × 34,869.08
  4. Step 4: Simplify right side
    42,278.36x = 2,211,381,782.58
  5. Step 5: Solve for x
    x = 2,211,381,782.58/42,278.36
  6. Step 6: Final answer
    x = 52,305.29

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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.