Home / 36,342.30-54,510.03-12,644.19

Finding the Fourth Proportional to 36,342.30, 54,510.03 and 12,644.19

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Solution

The fourth proportional to 36,342.30, 54,510.03 and 12,644.19 is: 18,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.30 : 54,510.03 = 12,644.19 : x
  2. Step 2: Convert to fraction form
    36,342.30/54,510.03 = 12,644.19/x
  3. Step 3: Cross multiply
    36,342.30x = 54,510.03 × 12,644.19
  4. Step 4: Simplify right side
    36,342.30x = 689,235,176.23
  5. Step 5: Solve for x
    x = 689,235,176.23/36,342.30
  6. Step 6: Final answer
    x = 18,965.10

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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.