Home / 35,123.28-48,471.28-19,207.72

Finding the Fourth Proportional to 35,123.28, 48,471.28 and 19,207.72

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Solution

The fourth proportional to 35,123.28, 48,471.28 and 19,207.72 is: 26,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,123.28 : 48,471.28 = 19,207.72 : x
  2. Step 2: Convert to fraction form
    35,123.28/48,471.28 = 19,207.72/x
  3. Step 3: Cross multiply
    35,123.28x = 48,471.28 × 19,207.72
  4. Step 4: Simplify right side
    35,123.28x = 931,022,774.28
  5. Step 5: Solve for x
    x = 931,022,774.28/35,123.28
  6. Step 6: Final answer
    x = 26,507.28

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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.