Home / 38,706.65-53,426.51-25,279.98

Finding the Fourth Proportional to 38,706.65, 53,426.51 and 25,279.98

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Solution

The fourth proportional to 38,706.65, 53,426.51 and 25,279.98 is: 34,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,706.65 : 53,426.51 = 25,279.98 : x
  2. Step 2: Convert to fraction form
    38,706.65/53,426.51 = 25,279.98/x
  3. Step 3: Cross multiply
    38,706.65x = 53,426.51 × 25,279.98
  4. Step 4: Simplify right side
    38,706.65x = 1,350,620,977.87
  5. Step 5: Solve for x
    x = 1,350,620,977.87/38,706.65
  6. Step 6: Final answer
    x = 34,893.78

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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.