Home / 52,380.15-72,286.25-29,720.10

Finding the Fourth Proportional to 52,380.15, 72,286.25 and 29,720.10

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Solution

The fourth proportional to 52,380.15, 72,286.25 and 29,720.10 is: 41,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,380.15 : 72,286.25 = 29,720.10 : x
  2. Step 2: Convert to fraction form
    52,380.15/72,286.25 = 29,720.10/x
  3. Step 3: Cross multiply
    52,380.15x = 72,286.25 × 29,720.10
  4. Step 4: Simplify right side
    52,380.15x = 2,148,354,430.02
  5. Step 5: Solve for x
    x = 2,148,354,430.02/52,380.15
  6. Step 6: Final answer
    x = 41,014.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.