Home / 45,088.56-67,619.88-13,926.24

Finding the Fourth Proportional to 45,088.56, 67,619.88 and 13,926.24

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Solution

The fourth proportional to 45,088.56, 67,619.88 and 13,926.24 is: 20,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,088.56 : 67,619.88 = 13,926.24 : x
  2. Step 2: Convert to fraction form
    45,088.56/67,619.88 = 13,926.24/x
  3. Step 3: Cross multiply
    45,088.56x = 67,619.88 × 13,926.24
  4. Step 4: Simplify right side
    45,088.56x = 941,690,677.65
  5. Step 5: Solve for x
    x = 941,690,677.65/45,088.56
  6. Step 6: Final answer
    x = 20,885.36

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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.