Home / 45,621.50-68,432.18-14,454.32

Finding the Fourth Proportional to 45,621.50, 68,432.18 and 14,454.32

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Solution

The fourth proportional to 45,621.50, 68,432.18 and 14,454.32 is: 21,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,621.50 : 68,432.18 = 14,454.32 : x
  2. Step 2: Convert to fraction form
    45,621.50/68,432.18 = 14,454.32/x
  3. Step 3: Cross multiply
    45,621.50x = 68,432.18 × 14,454.32
  4. Step 4: Simplify right side
    45,621.50x = 989,140,213.59
  5. Step 5: Solve for x
    x = 989,140,213.59/45,621.50
  6. Step 6: Final answer
    x = 21,681.45

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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.