Home / 35,170.40-48,557.80-31,387.08

Finding the Fourth Proportional to 35,170.40, 48,557.80 and 31,387.08

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Solution

The fourth proportional to 35,170.40, 48,557.80 and 31,387.08 is: 43,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,170.40 : 48,557.80 = 31,387.08 : x
  2. Step 2: Convert to fraction form
    35,170.40/48,557.80 = 31,387.08/x
  3. Step 3: Cross multiply
    35,170.40x = 48,557.80 × 31,387.08
  4. Step 4: Simplify right side
    35,170.40x = 1,524,087,553.22
  5. Step 5: Solve for x
    x = 1,524,087,553.22/35,170.40
  6. Step 6: Final answer
    x = 43,334.38

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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.