Home / 39,375.17-59,070.36-12,728.33

Finding the Fourth Proportional to 39,375.17, 59,070.36 and 12,728.33

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Solution

The fourth proportional to 39,375.17, 59,070.36 and 12,728.33 is: 19,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.17 : 59,070.36 = 12,728.33 : x
  2. Step 2: Convert to fraction form
    39,375.17/59,070.36 = 12,728.33/x
  3. Step 3: Cross multiply
    39,375.17x = 59,070.36 × 12,728.33
  4. Step 4: Simplify right side
    39,375.17x = 751,867,035.30
  5. Step 5: Solve for x
    x = 751,867,035.30/39,375.17
  6. Step 6: Final answer
    x = 19,094.95

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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.