Home / 40,172.58-55,438.71-22,025.00

Finding the Fourth Proportional to 40,172.58, 55,438.71 and 22,025.00

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Solution

The fourth proportional to 40,172.58, 55,438.71 and 22,025.00 is: 30,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.58 : 55,438.71 = 22,025.00 : x
  2. Step 2: Convert to fraction form
    40,172.58/55,438.71 = 22,025.00/x
  3. Step 3: Cross multiply
    40,172.58x = 55,438.71 × 22,025.00
  4. Step 4: Simplify right side
    40,172.58x = 1,221,037,643.75
  5. Step 5: Solve for x
    x = 1,221,037,643.75/40,172.58
  6. Step 6: Final answer
    x = 30,394.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.