Home / 38,275.88-52,821.86-21,047.35

Finding the Fourth Proportional to 38,275.88, 52,821.86 and 21,047.35

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Solution

The fourth proportional to 38,275.88, 52,821.86 and 21,047.35 is: 29,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.88 : 52,821.86 = 21,047.35 : x
  2. Step 2: Convert to fraction form
    38,275.88/52,821.86 = 21,047.35/x
  3. Step 3: Cross multiply
    38,275.88x = 52,821.86 × 21,047.35
  4. Step 4: Simplify right side
    38,275.88x = 1,111,760,069.83
  5. Step 5: Solve for x
    x = 1,111,760,069.83/38,275.88
  6. Step 6: Final answer
    x = 29,045.97

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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.