Home / 38,381.90-57,302.96-29,328.63

Finding the Fourth Proportional to 38,381.90, 57,302.96 and 29,328.63

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Solution

The fourth proportional to 38,381.90, 57,302.96 and 29,328.63 is: 43,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,381.90 : 57,302.96 = 29,328.63 : x
  2. Step 2: Convert to fraction form
    38,381.90/57,302.96 = 29,328.63/x
  3. Step 3: Cross multiply
    38,381.90x = 57,302.96 × 29,328.63
  4. Step 4: Simplify right side
    38,381.90x = 1,680,617,165.10
  5. Step 5: Solve for x
    x = 1,680,617,165.10/38,381.90
  6. Step 6: Final answer
    x = 43,786.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.