Home / 45,225.70-67,837.48-11,948.10

Finding the Fourth Proportional to 45,225.70, 67,837.48 and 11,948.10

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Solution

The fourth proportional to 45,225.70, 67,837.48 and 11,948.10 is: 17,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,225.70 : 67,837.48 = 11,948.10 : x
  2. Step 2: Convert to fraction form
    45,225.70/67,837.48 = 11,948.10/x
  3. Step 3: Cross multiply
    45,225.70x = 67,837.48 × 11,948.10
  4. Step 4: Simplify right side
    45,225.70x = 810,528,994.79
  5. Step 5: Solve for x
    x = 810,528,994.79/45,225.70
  6. Step 6: Final answer
    x = 17,921.87

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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.