Home / 36,712.48-55,077.22-13,018.76

Finding the Fourth Proportional to 36,712.48, 55,077.22 and 13,018.76

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Solution

The fourth proportional to 36,712.48, 55,077.22 and 13,018.76 is: 19,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,712.48 : 55,077.22 = 13,018.76 : x
  2. Step 2: Convert to fraction form
    36,712.48/55,077.22 = 13,018.76/x
  3. Step 3: Cross multiply
    36,712.48x = 55,077.22 × 13,018.76
  4. Step 4: Simplify right side
    36,712.48x = 717,037,108.65
  5. Step 5: Solve for x
    x = 717,037,108.65/36,712.48
  6. Step 6: Final answer
    x = 19,531.15

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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.