Home / 45,625.18-68,439.71-14,459.74

Finding the Fourth Proportional to 45,625.18, 68,439.71 and 14,459.74

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Solution

The fourth proportional to 45,625.18, 68,439.71 and 14,459.74 is: 21,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,625.18 : 68,439.71 = 14,459.74 : x
  2. Step 2: Convert to fraction form
    45,625.18/68,439.71 = 14,459.74/x
  3. Step 3: Cross multiply
    45,625.18x = 68,439.71 × 14,459.74
  4. Step 4: Simplify right side
    45,625.18x = 989,620,412.28
  5. Step 5: Solve for x
    x = 989,620,412.28/45,625.18
  6. Step 6: Final answer
    x = 21,690.22

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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.