Home / 45,382.32-68,073.51-14,220

Finding the Fourth Proportional to 45,382.32, 68,073.51 and 14,220

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Solution

The fourth proportional to 45,382.32, 68,073.51 and 14,220 is: 21,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,382.32 : 68,073.51 = 14,220 : x
  2. Step 2: Convert to fraction form
    45,382.32/68,073.51 = 14,220/x
  3. Step 3: Cross multiply
    45,382.32x = 68,073.51 × 14,220
  4. Step 4: Simplify right side
    45,382.32x = 968,005,312.20
  5. Step 5: Solve for x
    x = 968,005,312.20/45,382.32
  6. Step 6: Final answer
    x = 21,330.01

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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.