Home / 38,404.75-57,607.29-18,666.39

Finding the Fourth Proportional to 38,404.75, 57,607.29 and 18,666.39

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Solution

The fourth proportional to 38,404.75, 57,607.29 and 18,666.39 is: 27,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.75 : 57,607.29 = 18,666.39 : x
  2. Step 2: Convert to fraction form
    38,404.75/57,607.29 = 18,666.39/x
  3. Step 3: Cross multiply
    38,404.75x = 57,607.29 × 18,666.39
  4. Step 4: Simplify right side
    38,404.75x = 1,075,319,926.71
  5. Step 5: Solve for x
    x = 1,075,319,926.71/38,404.75
  6. Step 6: Final answer
    x = 27,999.66

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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.