Home / 35,422.20-48,884.14-20,319.12

Finding the Fourth Proportional to 35,422.20, 48,884.14 and 20,319.12

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Solution

The fourth proportional to 35,422.20, 48,884.14 and 20,319.12 is: 28,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.20 : 48,884.14 = 20,319.12 : x
  2. Step 2: Convert to fraction form
    35,422.20/48,884.14 = 20,319.12/x
  3. Step 3: Cross multiply
    35,422.20x = 48,884.14 × 20,319.12
  4. Step 4: Simplify right side
    35,422.20x = 993,282,462.34
  5. Step 5: Solve for x
    x = 993,282,462.34/35,422.20
  6. Step 6: Final answer
    x = 28,041.25

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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.