Home / 56,878.29-85,248.25-40,243.12

Finding the Fourth Proportional to 56,878.29, 85,248.25 and 40,243.12

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Solution

The fourth proportional to 56,878.29, 85,248.25 and 40,243.12 is: 60,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,878.29 : 85,248.25 = 40,243.12 : x
  2. Step 2: Convert to fraction form
    56,878.29/85,248.25 = 40,243.12/x
  3. Step 3: Cross multiply
    56,878.29x = 85,248.25 × 40,243.12
  4. Step 4: Simplify right side
    56,878.29x = 3,430,655,554.54
  5. Step 5: Solve for x
    x = 3,430,655,554.54/56,878.29
  6. Step 6: Final answer
    x = 60,315.73

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1.5x scale

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.