Home / 36,070.16-49,779.38-19,937.12

Finding the Fourth Proportional to 36,070.16, 49,779.38 and 19,937.12

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Solution

The fourth proportional to 36,070.16, 49,779.38 and 19,937.12 is: 27,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.16 : 49,779.38 = 19,937.12 : x
  2. Step 2: Convert to fraction form
    36,070.16/49,779.38 = 19,937.12/x
  3. Step 3: Cross multiply
    36,070.16x = 49,779.38 × 19,937.12
  4. Step 4: Simplify right side
    36,070.16x = 992,457,472.59
  5. Step 5: Solve for x
    x = 992,457,472.59/36,070.16
  6. Step 6: Final answer
    x = 27,514.64

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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.