Home / 36,045.24-49,740.24-20,130.72

Finding the Fourth Proportional to 36,045.24, 49,740.24 and 20,130.72

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Solution

The fourth proportional to 36,045.24, 49,740.24 and 20,130.72 is: 27,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.24 : 49,740.24 = 20,130.72 : x
  2. Step 2: Convert to fraction form
    36,045.24/49,740.24 = 20,130.72/x
  3. Step 3: Cross multiply
    36,045.24x = 49,740.24 × 20,130.72
  4. Step 4: Simplify right side
    36,045.24x = 1,001,306,844.17
  5. Step 5: Solve for x
    x = 1,001,306,844.17/36,045.24
  6. Step 6: Final answer
    x = 27,779.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.