Home / 56,948.60-85,221.30-49,633.40

Finding the Fourth Proportional to 56,948.60, 85,221.30 and 49,633.40

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Solution

The fourth proportional to 56,948.60, 85,221.30 and 49,633.40 is: 74,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,948.60 : 85,221.30 = 49,633.40 : x
  2. Step 2: Convert to fraction form
    56,948.60/85,221.30 = 49,633.40/x
  3. Step 3: Cross multiply
    56,948.60x = 85,221.30 × 49,633.40
  4. Step 4: Simplify right side
    56,948.60x = 4,229,822,871.42
  5. Step 5: Solve for x
    x = 4,229,822,871.42/56,948.60
  6. Step 6: Final answer
    x = 74,274.40

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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.