Home / 56,730.78-85,114.05-26,743.80

Finding the Fourth Proportional to 56,730.78, 85,114.05 and 26,743.80

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Solution

The fourth proportional to 56,730.78, 85,114.05 and 26,743.80 is: 40,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,730.78 : 85,114.05 = 26,743.80 : x
  2. Step 2: Convert to fraction form
    56,730.78/85,114.05 = 26,743.80/x
  3. Step 3: Cross multiply
    56,730.78x = 85,114.05 × 26,743.80
  4. Step 4: Simplify right side
    56,730.78x = 2,276,273,130.39
  5. Step 5: Solve for x
    x = 2,276,273,130.39/56,730.78
  6. Step 6: Final answer
    x = 40,124.13

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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.