Home / 38,275.06-52,820.49-21,279.82

Finding the Fourth Proportional to 38,275.06, 52,820.49 and 21,279.82

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Solution

The fourth proportional to 38,275.06, 52,820.49 and 21,279.82 is: 29,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.06 : 52,820.49 = 21,279.82 : x
  2. Step 2: Convert to fraction form
    38,275.06/52,820.49 = 21,279.82/x
  3. Step 3: Cross multiply
    38,275.06x = 52,820.49 × 21,279.82
  4. Step 4: Simplify right side
    38,275.06x = 1,124,010,519.51
  5. Step 5: Solve for x
    x = 1,124,010,519.51/38,275.06
  6. Step 6: Final answer
    x = 29,366.66

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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.