Home / 30,417.50-41,964.40-19,082.36

Finding the Fourth Proportional to 30,417.50, 41,964.40 and 19,082.36

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Solution

The fourth proportional to 30,417.50, 41,964.40 and 19,082.36 is: 26,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.50 : 41,964.40 = 19,082.36 : x
  2. Step 2: Convert to fraction form
    30,417.50/41,964.40 = 19,082.36/x
  3. Step 3: Cross multiply
    30,417.50x = 41,964.40 × 19,082.36
  4. Step 4: Simplify right side
    30,417.50x = 800,779,787.98
  5. Step 5: Solve for x
    x = 800,779,787.98/30,417.50
  6. Step 6: Final answer
    x = 26,326.29

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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.