Home / 34,394.40-51,598.80-13,618.08

Finding the Fourth Proportional to 34,394.40, 51,598.80 and 13,618.08

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Solution

The fourth proportional to 34,394.40, 51,598.80 and 13,618.08 is: 20,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,394.40 : 51,598.80 = 13,618.08 : x
  2. Step 2: Convert to fraction form
    34,394.40/51,598.80 = 13,618.08/x
  3. Step 3: Cross multiply
    34,394.40x = 51,598.80 × 13,618.08
  4. Step 4: Simplify right side
    34,394.40x = 702,676,586.30
  5. Step 5: Solve for x
    x = 702,676,586.30/34,394.40
  6. Step 6: Final answer
    x = 20,429.97

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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.