Home / 38,574.18-57,860.66-12,278.54

Finding the Fourth Proportional to 38,574.18, 57,860.66 and 12,278.54

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Solution

The fourth proportional to 38,574.18, 57,860.66 and 12,278.54 is: 18,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.18 : 57,860.66 = 12,278.54 : x
  2. Step 2: Convert to fraction form
    38,574.18/57,860.66 = 12,278.54/x
  3. Step 3: Cross multiply
    38,574.18x = 57,860.66 × 12,278.54
  4. Step 4: Simplify right side
    38,574.18x = 710,444,603.58
  5. Step 5: Solve for x
    x = 710,444,603.58/38,574.18
  6. Step 6: Final answer
    x = 18,417.62

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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.