Home / 40,113.51-55,358.69-22,210.49

Finding the Fourth Proportional to 40,113.51, 55,358.69 and 22,210.49

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Solution

The fourth proportional to 40,113.51, 55,358.69 and 22,210.49 is: 30,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,113.51 : 55,358.69 = 22,210.49 : x
  2. Step 2: Convert to fraction form
    40,113.51/55,358.69 = 22,210.49/x
  3. Step 3: Cross multiply
    40,113.51x = 55,358.69 × 22,210.49
  4. Step 4: Simplify right side
    40,113.51x = 1,229,543,242.81
  5. Step 5: Solve for x
    x = 1,229,543,242.81/40,113.51
  6. Step 6: Final answer
    x = 30,651.60

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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.