Home / 38,043.12-52,498.08-21,275.04

Finding the Fourth Proportional to 38,043.12, 52,498.08 and 21,275.04

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Solution

The fourth proportional to 38,043.12, 52,498.08 and 21,275.04 is: 29,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.12 : 52,498.08 = 21,275.04 : x
  2. Step 2: Convert to fraction form
    38,043.12/52,498.08 = 21,275.04/x
  3. Step 3: Cross multiply
    38,043.12x = 52,498.08 × 21,275.04
  4. Step 4: Simplify right side
    38,043.12x = 1,116,898,751.92
  5. Step 5: Solve for x
    x = 1,116,898,751.92/38,043.12
  6. Step 6: Final answer
    x = 29,358.76

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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.