Home / 40,014.60-55,220.73-22,110.02

Finding the Fourth Proportional to 40,014.60, 55,220.73 and 22,110.02

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Solution

The fourth proportional to 40,014.60, 55,220.73 and 22,110.02 is: 30,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.60 : 55,220.73 = 22,110.02 : x
  2. Step 2: Convert to fraction form
    40,014.60/55,220.73 = 22,110.02/x
  3. Step 3: Cross multiply
    40,014.60x = 55,220.73 × 22,110.02
  4. Step 4: Simplify right side
    40,014.60x = 1,220,931,444.71
  5. Step 5: Solve for x
    x = 1,220,931,444.71/40,014.60
  6. Step 6: Final answer
    x = 30,512.15

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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.