Home / 38,903.75-53,689.71-29,326.74

Finding the Fourth Proportional to 38,903.75, 53,689.71 and 29,326.74

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Solution

The fourth proportional to 38,903.75, 53,689.71 and 29,326.74 is: 40,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903.75 : 53,689.71 = 29,326.74 : x
  2. Step 2: Convert to fraction form
    38,903.75/53,689.71 = 29,326.74/x
  3. Step 3: Cross multiply
    38,903.75x = 53,689.71 × 29,326.74
  4. Step 4: Simplify right side
    38,903.75x = 1,574,544,165.85
  5. Step 5: Solve for x
    x = 1,574,544,165.85/38,903.75
  6. Step 6: Final answer
    x = 40,472.82

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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.