Home / 55,510.20-83,265.30-18,574.20

Finding the Fourth Proportional to 55,510.20, 83,265.30 and 18,574.20

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Solution

The fourth proportional to 55,510.20, 83,265.30 and 18,574.20 is: 27,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,510.20 : 83,265.30 = 18,574.20 : x
  2. Step 2: Convert to fraction form
    55,510.20/83,265.30 = 18,574.20/x
  3. Step 3: Cross multiply
    55,510.20x = 83,265.30 × 18,574.20
  4. Step 4: Simplify right side
    55,510.20x = 1,546,586,335.26
  5. Step 5: Solve for x
    x = 1,546,586,335.26/55,510.20
  6. Step 6: Final answer
    x = 27,861.30

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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.