Home / 30,343.36-41,915.20-25,677.76

Finding the Fourth Proportional to 30,343.36, 41,915.20 and 25,677.76

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Solution

The fourth proportional to 30,343.36, 41,915.20 and 25,677.76 is: 35,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.36 : 41,915.20 = 25,677.76 : x
  2. Step 2: Convert to fraction form
    30,343.36/41,915.20 = 25,677.76/x
  3. Step 3: Cross multiply
    30,343.36x = 41,915.20 × 25,677.76
  4. Step 4: Simplify right side
    30,343.36x = 1,076,288,445.95
  5. Step 5: Solve for x
    x = 1,076,288,445.95/30,343.36
  6. Step 6: Final answer
    x = 35,470.31

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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.