Home / 47,039.90-64,915.54-25,818.70

Finding the Fourth Proportional to 47,039.90, 64,915.54 and 25,818.70

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Solution

The fourth proportional to 47,039.90, 64,915.54 and 25,818.70 is: 35,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,039.90 : 64,915.54 = 25,818.70 : x
  2. Step 2: Convert to fraction form
    47,039.90/64,915.54 = 25,818.70/x
  3. Step 3: Cross multiply
    47,039.90x = 64,915.54 × 25,818.70
  4. Step 4: Simplify right side
    47,039.90x = 1,676,034,852.60
  5. Step 5: Solve for x
    x = 1,676,034,852.60/47,039.90
  6. Step 6: Final answer
    x = 35,630.07

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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.