Home / 56,749.68-85,177.04-28,689.53

Finding the Fourth Proportional to 56,749.68, 85,177.04 and 28,689.53

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Solution

The fourth proportional to 56,749.68, 85,177.04 and 28,689.53 is: 43,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,749.68 : 85,177.04 = 28,689.53 : x
  2. Step 2: Convert to fraction form
    56,749.68/85,177.04 = 28,689.53/x
  3. Step 3: Cross multiply
    56,749.68x = 85,177.04 × 28,689.53
  4. Step 4: Simplify right side
    56,749.68x = 2,443,688,675.06
  5. Step 5: Solve for x
    x = 2,443,688,675.06/56,749.68
  6. Step 6: Final answer
    x = 43,060.84

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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.