Home / 36,888.72-55,333.08-20,507.28

Finding the Fourth Proportional to 36,888.72, 55,333.08 and 20,507.28

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Solution

The fourth proportional to 36,888.72, 55,333.08 and 20,507.28 is: 30,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888.72 : 55,333.08 = 20,507.28 : x
  2. Step 2: Convert to fraction form
    36,888.72/55,333.08 = 20,507.28/x
  3. Step 3: Cross multiply
    36,888.72x = 55,333.08 × 20,507.28
  4. Step 4: Simplify right side
    36,888.72x = 1,134,730,964.82
  5. Step 5: Solve for x
    x = 1,134,730,964.82/36,888.72
  6. Step 6: Final answer
    x = 30,760.92

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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.