Home / 45,657.50-68,486.28-14,492.75

Finding the Fourth Proportional to 45,657.50, 68,486.28 and 14,492.75

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Solution

The fourth proportional to 45,657.50, 68,486.28 and 14,492.75 is: 21,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657.50 : 68,486.28 = 14,492.75 : x
  2. Step 2: Convert to fraction form
    45,657.50/68,486.28 = 14,492.75/x
  3. Step 3: Cross multiply
    45,657.50x = 68,486.28 × 14,492.75
  4. Step 4: Simplify right side
    45,657.50x = 992,554,462.01
  5. Step 5: Solve for x
    x = 992,554,462.01/45,657.50
  6. Step 6: Final answer
    x = 21,739.13

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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.