Home / 34,889.31-48,148.52-19,988.19

Finding the Fourth Proportional to 34,889.31, 48,148.52 and 19,988.19

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Solution

The fourth proportional to 34,889.31, 48,148.52 and 19,988.19 is: 27,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.31 : 48,148.52 = 19,988.19 : x
  2. Step 2: Convert to fraction form
    34,889.31/48,148.52 = 19,988.19/x
  3. Step 3: Cross multiply
    34,889.31x = 48,148.52 × 19,988.19
  4. Step 4: Simplify right side
    34,889.31x = 962,401,666.04
  5. Step 5: Solve for x
    x = 962,401,666.04/34,889.31
  6. Step 6: Final answer
    x = 27,584.43

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Double scale
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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.