Home / 60,775.09-91,203.41-21,332.32

Finding the Fourth Proportional to 60,775.09, 91,203.41 and 21,332.32

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Solution

The fourth proportional to 60,775.09, 91,203.41 and 21,332.32 is: 32,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,775.09 : 91,203.41 = 21,332.32 : x
  2. Step 2: Convert to fraction form
    60,775.09/91,203.41 = 21,332.32/x
  3. Step 3: Cross multiply
    60,775.09x = 91,203.41 × 21,332.32
  4. Step 4: Simplify right side
    60,775.09x = 1,945,580,327.21
  5. Step 5: Solve for x
    x = 1,945,580,327.21/60,775.09
  6. Step 6: Final answer
    x = 32,012.79

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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.