Home / 60,904.07-91,355.09-18,209.60

Finding the Fourth Proportional to 60,904.07, 91,355.09 and 18,209.60

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Solution

The fourth proportional to 60,904.07, 91,355.09 and 18,209.60 is: 27,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,904.07 : 91,355.09 = 18,209.60 : x
  2. Step 2: Convert to fraction form
    60,904.07/91,355.09 = 18,209.60/x
  3. Step 3: Cross multiply
    60,904.07x = 91,355.09 × 18,209.60
  4. Step 4: Simplify right side
    60,904.07x = 1,663,539,235.61
  5. Step 5: Solve for x
    x = 1,663,539,235.61/60,904.07
  6. Step 6: Final answer
    x = 27,314.09

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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.