Home / 60,360.08-90,509.75-20,906.60

Finding the Fourth Proportional to 60,360.08, 90,509.75 and 20,906.60

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Solution

The fourth proportional to 60,360.08, 90,509.75 and 20,906.60 is: 31,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,360.08 : 90,509.75 = 20,906.60 : x
  2. Step 2: Convert to fraction form
    60,360.08/90,509.75 = 20,906.60/x
  3. Step 3: Cross multiply
    60,360.08x = 90,509.75 × 20,906.60
  4. Step 4: Simplify right side
    60,360.08x = 1,892,251,034.82
  5. Step 5: Solve for x
    x = 1,892,251,034.82/60,360.08
  6. Step 6: Final answer
    x = 31,349.38

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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.