Home / 61,431.98-84,780.42-34,577.06

Finding the Fourth Proportional to 61,431.98, 84,780.42 and 34,577.06

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Solution

The fourth proportional to 61,431.98, 84,780.42 and 34,577.06 is: 47,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,431.98 : 84,780.42 = 34,577.06 : x
  2. Step 2: Convert to fraction form
    61,431.98/84,780.42 = 34,577.06/x
  3. Step 3: Cross multiply
    61,431.98x = 84,780.42 × 34,577.06
  4. Step 4: Simplify right side
    61,431.98x = 2,931,457,669.17
  5. Step 5: Solve for x
    x = 2,931,457,669.17/61,431.98
  6. Step 6: Final answer
    x = 47,718.76

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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.