Home / 35,870.30-53,781.15-18,325.70

Finding the Fourth Proportional to 35,870.30, 53,781.15 and 18,325.70

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Solution

The fourth proportional to 35,870.30, 53,781.15 and 18,325.70 is: 27,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,870.30 : 53,781.15 = 18,325.70 : x
  2. Step 2: Convert to fraction form
    35,870.30/53,781.15 = 18,325.70/x
  3. Step 3: Cross multiply
    35,870.30x = 53,781.15 × 18,325.70
  4. Step 4: Simplify right side
    35,870.30x = 985,577,220.56
  5. Step 5: Solve for x
    x = 985,577,220.56/35,870.30
  6. Step 6: Final answer
    x = 27,476.14

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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.