Home / 35,211.75-48,592.22-20,307.75

Finding the Fourth Proportional to 35,211.75, 48,592.22 and 20,307.75

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Solution

The fourth proportional to 35,211.75, 48,592.22 and 20,307.75 is: 28,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,211.75 : 48,592.22 = 20,307.75 : x
  2. Step 2: Convert to fraction form
    35,211.75/48,592.22 = 20,307.75/x
  3. Step 3: Cross multiply
    35,211.75x = 48,592.22 × 20,307.75
  4. Step 4: Simplify right side
    35,211.75x = 986,798,655.71
  5. Step 5: Solve for x
    x = 986,798,655.71/35,211.75
  6. Step 6: Final answer
    x = 28,024.70

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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.