Home / 40,041.63-55,258.07-22,136.31

Finding the Fourth Proportional to 40,041.63, 55,258.07 and 22,136.31

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Solution

The fourth proportional to 40,041.63, 55,258.07 and 22,136.31 is: 30,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,041.63 : 55,258.07 = 22,136.31 : x
  2. Step 2: Convert to fraction form
    40,041.63/55,258.07 = 22,136.31/x
  3. Step 3: Cross multiply
    40,041.63x = 55,258.07 × 22,136.31
  4. Step 4: Simplify right side
    40,041.63x = 1,223,209,656.84
  5. Step 5: Solve for x
    x = 1,223,209,656.84/40,041.63
  6. Step 6: Final answer
    x = 30,548.45

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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.