Home / 35,408.89-48,867.12-20,302.95

Finding the Fourth Proportional to 35,408.89, 48,867.12 and 20,302.95

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Solution

The fourth proportional to 35,408.89, 48,867.12 and 20,302.95 is: 28,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.89 : 48,867.12 = 20,302.95 : x
  2. Step 2: Convert to fraction form
    35,408.89/48,867.12 = 20,302.95/x
  3. Step 3: Cross multiply
    35,408.89x = 48,867.12 × 20,302.95
  4. Step 4: Simplify right side
    35,408.89x = 992,146,985.90
  5. Step 5: Solve for x
    x = 992,146,985.90/35,408.89
  6. Step 6: Final answer
    x = 28,019.72

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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.