Home / 35,869.80-53,780.40-18,325.20

Finding the Fourth Proportional to 35,869.80, 53,780.40 and 18,325.20

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Solution

The fourth proportional to 35,869.80, 53,780.40 and 18,325.20 is: 27,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,869.80 : 53,780.40 = 18,325.20 : x
  2. Step 2: Convert to fraction form
    35,869.80/53,780.40 = 18,325.20/x
  3. Step 3: Cross multiply
    35,869.80x = 53,780.40 × 18,325.20
  4. Step 4: Simplify right side
    35,869.80x = 985,536,586.08
  5. Step 5: Solve for x
    x = 985,536,586.08/35,869.80
  6. Step 6: Final answer
    x = 27,475.39

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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.