Home / 61,345.08-84,655.80-34,487.64

Finding the Fourth Proportional to 61,345.08, 84,655.80 and 34,487.64

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Solution

The fourth proportional to 61,345.08, 84,655.80 and 34,487.64 is: 47,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,345.08 : 84,655.80 = 34,487.64 : x
  2. Step 2: Convert to fraction form
    61,345.08/84,655.80 = 34,487.64/x
  3. Step 3: Cross multiply
    61,345.08x = 84,655.80 × 34,487.64
  4. Step 4: Simplify right side
    61,345.08x = 2,919,578,754.31
  5. Step 5: Solve for x
    x = 2,919,578,754.31/61,345.08
  6. Step 6: Final answer
    x = 47,592.71

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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.