Home / 35,330.76-48,756.08-20,223.15

Finding the Fourth Proportional to 35,330.76, 48,756.08 and 20,223.15

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Solution

The fourth proportional to 35,330.76, 48,756.08 and 20,223.15 is: 27,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.76 : 48,756.08 = 20,223.15 : x
  2. Step 2: Convert to fraction form
    35,330.76/48,756.08 = 20,223.15/x
  3. Step 3: Cross multiply
    35,330.76x = 48,756.08 × 20,223.15
  4. Step 4: Simplify right side
    35,330.76x = 986,001,418.14
  5. Step 5: Solve for x
    x = 986,001,418.14/35,330.76
  6. Step 6: Final answer
    x = 27,907.73

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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.