Home / 47,006.90-70,446.35-25,915.31

Finding the Fourth Proportional to 47,006.90, 70,446.35 and 25,915.31

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Solution

The fourth proportional to 47,006.90, 70,446.35 and 25,915.31 is: 38,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,006.90 : 70,446.35 = 25,915.31 : x
  2. Step 2: Convert to fraction form
    47,006.90/70,446.35 = 25,915.31/x
  3. Step 3: Cross multiply
    47,006.90x = 70,446.35 × 25,915.31
  4. Step 4: Simplify right side
    47,006.90x = 1,825,638,516.81
  5. Step 5: Solve for x
    x = 1,825,638,516.81/47,006.90
  6. Step 6: Final answer
    x = 38,837.68

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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.