Home / 30,278.63-45,224.14-27,424.84

Finding the Fourth Proportional to 30,278.63, 45,224.14 and 27,424.84

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Solution

The fourth proportional to 30,278.63, 45,224.14 and 27,424.84 is: 40,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,278.63 : 45,224.14 = 27,424.84 : x
  2. Step 2: Convert to fraction form
    30,278.63/45,224.14 = 27,424.84/x
  3. Step 3: Cross multiply
    30,278.63x = 45,224.14 × 27,424.84
  4. Step 4: Simplify right side
    30,278.63x = 1,240,264,872.20
  5. Step 5: Solve for x
    x = 1,240,264,872.20/30,278.63
  6. Step 6: Final answer
    x = 40,961.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.