Home / 45,178.68-67,775.95-15,190.05

Finding the Fourth Proportional to 45,178.68, 67,775.95 and 15,190.05

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Solution

The fourth proportional to 45,178.68, 67,775.95 and 15,190.05 is: 22,787.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,178.68 : 67,775.95 = 15,190.05 : x
  2. Step 2: Convert to fraction form
    45,178.68/67,775.95 = 15,190.05/x
  3. Step 3: Cross multiply
    45,178.68x = 67,775.95 × 15,190.05
  4. Step 4: Simplify right side
    45,178.68x = 1,029,520,088.29
  5. Step 5: Solve for x
    x = 1,029,520,088.29/45,178.68
  6. Step 6: Final answer
    x = 22,787.74

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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.