Home / 38,605.35-57,895.71-12,303.95

Finding the Fourth Proportional to 38,605.35, 57,895.71 and 12,303.95

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Solution

The fourth proportional to 38,605.35, 57,895.71 and 12,303.95 is: 18,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,605.35 : 57,895.71 = 12,303.95 : x
  2. Step 2: Convert to fraction form
    38,605.35/57,895.71 = 12,303.95/x
  3. Step 3: Cross multiply
    38,605.35x = 57,895.71 × 12,303.95
  4. Step 4: Simplify right side
    38,605.35x = 712,345,631.58
  5. Step 5: Solve for x
    x = 712,345,631.58/38,605.35
  6. Step 6: Final answer
    x = 18,451.99

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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.