Home / 30,247.68-45,376.36-10,531.84

Finding the Fourth Proportional to 30,247.68, 45,376.36 and 10,531.84

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Solution

The fourth proportional to 30,247.68, 45,376.36 and 10,531.84 is: 15,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.68 : 45,376.36 = 10,531.84 : x
  2. Step 2: Convert to fraction form
    30,247.68/45,376.36 = 10,531.84/x
  3. Step 3: Cross multiply
    30,247.68x = 45,376.36 × 10,531.84
  4. Step 4: Simplify right side
    30,247.68x = 477,896,563.30
  5. Step 5: Solve for x
    x = 477,896,563.30/30,247.68
  6. Step 6: Final answer
    x = 15,799.45

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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.