Home / 36,888.70-55,319.47-13,189.85

Finding the Fourth Proportional to 36,888.70, 55,319.47 and 13,189.85

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Solution

The fourth proportional to 36,888.70, 55,319.47 and 13,189.85 is: 19,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888.70 : 55,319.47 = 13,189.85 : x
  2. Step 2: Convert to fraction form
    36,888.70/55,319.47 = 13,189.85/x
  3. Step 3: Cross multiply
    36,888.70x = 55,319.47 × 13,189.85
  4. Step 4: Simplify right side
    36,888.70x = 729,655,616.70
  5. Step 5: Solve for x
    x = 729,655,616.70/36,888.70
  6. Step 6: Final answer
    x = 19,779.92

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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.