Home / 75,515.40-113,272.61-25,630.63

Finding the Fourth Proportional to 75,515.40, 113,272.61 and 25,630.63

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Solution

The fourth proportional to 75,515.40, 113,272.61 and 25,630.63 is: 38,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,515.40 : 113,272.61 = 25,630.63 : x
  2. Step 2: Convert to fraction form
    75,515.40/113,272.61 = 25,630.63/x
  3. Step 3: Cross multiply
    75,515.40x = 113,272.61 × 25,630.63
  4. Step 4: Simplify right side
    75,515.40x = 2,903,247,944.71
  5. Step 5: Solve for x
    x = 2,903,247,944.71/75,515.40
  6. Step 6: Final answer
    x = 38,445.77

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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.