Home / 40,411.02-55,765.01-22,258.21

Finding the Fourth Proportional to 40,411.02, 55,765.01 and 22,258.21

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Solution

The fourth proportional to 40,411.02, 55,765.01 and 22,258.21 is: 30,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.02 : 55,765.01 = 22,258.21 : x
  2. Step 2: Convert to fraction form
    40,411.02/55,765.01 = 22,258.21/x
  3. Step 3: Cross multiply
    40,411.02x = 55,765.01 × 22,258.21
  4. Step 4: Simplify right side
    40,411.02x = 1,241,229,219.47
  5. Step 5: Solve for x
    x = 1,241,229,219.47/40,411.02
  6. Step 6: Final answer
    x = 30,715.12

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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.