Home / 40,065.06-55,284.93-22,157.63

Finding the Fourth Proportional to 40,065.06, 55,284.93 and 22,157.63

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Solution

The fourth proportional to 40,065.06, 55,284.93 and 22,157.63 is: 30,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.06 : 55,284.93 = 22,157.63 : x
  2. Step 2: Convert to fraction form
    40,065.06/55,284.93 = 22,157.63/x
  3. Step 3: Cross multiply
    40,065.06x = 55,284.93 × 22,157.63
  4. Step 4: Simplify right side
    40,065.06x = 1,224,982,747.09
  5. Step 5: Solve for x
    x = 1,224,982,747.09/40,065.06
  6. Step 6: Final answer
    x = 30,574.84

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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.