Home / 61,074.09-91,580.18-21,625.65

Finding the Fourth Proportional to 61,074.09, 91,580.18 and 21,625.65

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Solution

The fourth proportional to 61,074.09, 91,580.18 and 21,625.65 is: 32,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,074.09 : 91,580.18 = 21,625.65 : x
  2. Step 2: Convert to fraction form
    61,074.09/91,580.18 = 21,625.65/x
  3. Step 3: Cross multiply
    61,074.09x = 91,580.18 × 21,625.65
  4. Step 4: Simplify right side
    61,074.09x = 1,980,480,811.49
  5. Step 5: Solve for x
    x = 1,980,480,811.49/61,074.09
  6. Step 6: Final answer
    x = 32,427.51

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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.