Home / 40,530.75-55,931.36-22,625.25

Finding the Fourth Proportional to 40,530.75, 55,931.36 and 22,625.25

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Solution

The fourth proportional to 40,530.75, 55,931.36 and 22,625.25 is: 31,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530.75 : 55,931.36 = 22,625.25 : x
  2. Step 2: Convert to fraction form
    40,530.75/55,931.36 = 22,625.25/x
  3. Step 3: Cross multiply
    40,530.75x = 55,931.36 × 22,625.25
  4. Step 4: Simplify right side
    40,530.75x = 1,265,460,889.71
  5. Step 5: Solve for x
    x = 1,265,460,889.71/40,530.75
  6. Step 6: Final answer
    x = 31,222.24

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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.