Home / 29,319.76-40,514.84-21,348.08

Finding the Fourth Proportional to 29,319.76, 40,514.84 and 21,348.08

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Solution

The fourth proportional to 29,319.76, 40,514.84 and 21,348.08 is: 29,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.76 : 40,514.84 = 21,348.08 : x
  2. Step 2: Convert to fraction form
    29,319.76/40,514.84 = 21,348.08/x
  3. Step 3: Cross multiply
    29,319.76x = 40,514.84 × 21,348.08
  4. Step 4: Simplify right side
    29,319.76x = 864,914,045.51
  5. Step 5: Solve for x
    x = 864,914,045.51/29,319.76
  6. Step 6: Final answer
    x = 29,499.36

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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.