Home / 45,156.65-67,734.98-18,842.94

Finding the Fourth Proportional to 45,156.65, 67,734.98 and 18,842.94

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Solution

The fourth proportional to 45,156.65, 67,734.98 and 18,842.94 is: 28,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,156.65 : 67,734.98 = 18,842.94 : x
  2. Step 2: Convert to fraction form
    45,156.65/67,734.98 = 18,842.94/x
  3. Step 3: Cross multiply
    45,156.65x = 67,734.98 × 18,842.94
  4. Step 4: Simplify right side
    45,156.65x = 1,276,326,222.49
  5. Step 5: Solve for x
    x = 1,276,326,222.49/45,156.65
  6. Step 6: Final answer
    x = 28,264.41

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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.