Home / 30,382.39-45,602.78-14,810.95

Finding the Fourth Proportional to 30,382.39, 45,602.78 and 14,810.95

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Solution

The fourth proportional to 30,382.39, 45,602.78 and 14,810.95 is: 22,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.39 : 45,602.78 = 14,810.95 : x
  2. Step 2: Convert to fraction form
    30,382.39/45,602.78 = 14,810.95/x
  3. Step 3: Cross multiply
    30,382.39x = 45,602.78 × 14,810.95
  4. Step 4: Simplify right side
    30,382.39x = 675,420,420.39
  5. Step 5: Solve for x
    x = 675,420,420.39/30,382.39
  6. Step 6: Final answer
    x = 22,230.65

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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.