Home / 36,386.29-54,579.25-31,440.88

Finding the Fourth Proportional to 36,386.29, 54,579.25 and 31,440.88

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Solution

The fourth proportional to 36,386.29, 54,579.25 and 31,440.88 is: 47,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.29 : 54,579.25 = 31,440.88 : x
  2. Step 2: Convert to fraction form
    36,386.29/54,579.25 = 31,440.88/x
  3. Step 3: Cross multiply
    36,386.29x = 54,579.25 × 31,440.88
  4. Step 4: Simplify right side
    36,386.29x = 1,716,019,649.74
  5. Step 5: Solve for x
    x = 1,716,019,649.74/36,386.29
  6. Step 6: Final answer
    x = 47,161.16

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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.