Home / 38,312.48-57,478.44-12,017.45

Finding the Fourth Proportional to 38,312.48, 57,478.44 and 12,017.45

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Solution

The fourth proportional to 38,312.48, 57,478.44 and 12,017.45 is: 18,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.48 : 57,478.44 = 12,017.45 : x
  2. Step 2: Convert to fraction form
    38,312.48/57,478.44 = 12,017.45/x
  3. Step 3: Cross multiply
    38,312.48x = 57,478.44 × 12,017.45
  4. Step 4: Simplify right side
    38,312.48x = 690,744,042.83
  5. Step 5: Solve for x
    x = 690,744,042.83/38,312.48
  6. Step 6: Final answer
    x = 18,029.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.