Home / 51,543.48-71,130.96-31,401.12

Finding the Fourth Proportional to 51,543.48, 71,130.96 and 31,401.12

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Solution

The fourth proportional to 51,543.48, 71,130.96 and 31,401.12 is: 43,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.48 : 71,130.96 = 31,401.12 : x
  2. Step 2: Convert to fraction form
    51,543.48/71,130.96 = 31,401.12/x
  3. Step 3: Cross multiply
    51,543.48x = 71,130.96 × 31,401.12
  4. Step 4: Simplify right side
    51,543.48x = 2,233,591,810.68
  5. Step 5: Solve for x
    x = 2,233,591,810.68/51,543.48
  6. Step 6: Final answer
    x = 43,334.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.