Home / 61,298.80-84,587.16-34,439.20

Finding the Fourth Proportional to 61,298.80, 84,587.16 and 34,439.20

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Solution

The fourth proportional to 61,298.80, 84,587.16 and 34,439.20 is: 47,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,298.80 : 84,587.16 = 34,439.20 : x
  2. Step 2: Convert to fraction form
    61,298.80/84,587.16 = 34,439.20/x
  3. Step 3: Cross multiply
    61,298.80x = 84,587.16 × 34,439.20
  4. Step 4: Simplify right side
    61,298.80x = 2,913,114,120.67
  5. Step 5: Solve for x
    x = 2,913,114,120.67/61,298.80
  6. Step 6: Final answer
    x = 47,523.18

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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.