Home / 36,979.32-51,031.48-21,065.26

Finding the Fourth Proportional to 36,979.32, 51,031.48 and 21,065.26

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Solution

The fourth proportional to 36,979.32, 51,031.48 and 21,065.26 is: 29,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.32 : 51,031.48 = 21,065.26 : x
  2. Step 2: Convert to fraction form
    36,979.32/51,031.48 = 21,065.26/x
  3. Step 3: Cross multiply
    36,979.32x = 51,031.48 × 21,065.26
  4. Step 4: Simplify right side
    36,979.32x = 1,074,991,394.38
  5. Step 5: Solve for x
    x = 1,074,991,394.38/36,979.32
  6. Step 6: Final answer
    x = 29,070.07

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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.