Home / 34,390.60-51,521.10-17,693.80

Finding the Fourth Proportional to 34,390.60, 51,521.10 and 17,693.80

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Solution

The fourth proportional to 34,390.60, 51,521.10 and 17,693.80 is: 26,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.60 : 51,521.10 = 17,693.80 : x
  2. Step 2: Convert to fraction form
    34,390.60/51,521.10 = 17,693.80/x
  3. Step 3: Cross multiply
    34,390.60x = 51,521.10 × 17,693.80
  4. Step 4: Simplify right side
    34,390.60x = 911,604,039.18
  5. Step 5: Solve for x
    x = 911,604,039.18/34,390.60
  6. Step 6: Final answer
    x = 26,507.36

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1.5x scale

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.