Home / 38,718.98-53,084.32-38,019.14

Finding the Fourth Proportional to 38,718.98, 53,084.32 and 38,019.14

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Solution

The fourth proportional to 38,718.98, 53,084.32 and 38,019.14 is: 52,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,718.98 : 53,084.32 = 38,019.14 : x
  2. Step 2: Convert to fraction form
    38,718.98/53,084.32 = 38,019.14/x
  3. Step 3: Cross multiply
    38,718.98x = 53,084.32 × 38,019.14
  4. Step 4: Simplify right side
    38,718.98x = 2,018,220,193.88
  5. Step 5: Solve for x
    x = 2,018,220,193.88/38,718.98
  6. Step 6: Final answer
    x = 52,124.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.