Home / 30,082.19-45,123.28-14,488.88

Finding the Fourth Proportional to 30,082.19, 45,123.28 and 14,488.88

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Solution

The fourth proportional to 30,082.19, 45,123.28 and 14,488.88 is: 21,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.19 : 45,123.28 = 14,488.88 : x
  2. Step 2: Convert to fraction form
    30,082.19/45,123.28 = 14,488.88/x
  3. Step 3: Cross multiply
    30,082.19x = 45,123.28 × 14,488.88
  4. Step 4: Simplify right side
    30,082.19x = 653,785,527.29
  5. Step 5: Solve for x
    x = 653,785,527.29/30,082.19
  6. Step 6: Final answer
    x = 21,733.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.