Home / 34,723.88-47,915.53-19,407.60

Finding the Fourth Proportional to 34,723.88, 47,915.53 and 19,407.60

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Solution

The fourth proportional to 34,723.88, 47,915.53 and 19,407.60 is: 26,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.88 : 47,915.53 = 19,407.60 : x
  2. Step 2: Convert to fraction form
    34,723.88/47,915.53 = 19,407.60/x
  3. Step 3: Cross multiply
    34,723.88x = 47,915.53 × 19,407.60
  4. Step 4: Simplify right side
    34,723.88x = 929,925,440.03
  5. Step 5: Solve for x
    x = 929,925,440.03/34,723.88
  6. Step 6: Final answer
    x = 26,780.57

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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.