Home / 56,721.21-85,081.81-15,167.13

Finding the Fourth Proportional to 56,721.21, 85,081.81 and 15,167.13

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Solution

The fourth proportional to 56,721.21, 85,081.81 and 15,167.13 is: 22,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.21 : 85,081.81 = 15,167.13 : x
  2. Step 2: Convert to fraction form
    56,721.21/85,081.81 = 15,167.13/x
  3. Step 3: Cross multiply
    56,721.21x = 85,081.81 × 15,167.13
  4. Step 4: Simplify right side
    56,721.21x = 1,290,446,872.91
  5. Step 5: Solve for x
    x = 1,290,446,872.91/56,721.21
  6. Step 6: Final answer
    x = 22,750.69

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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.