Home / 40,064.16-55,282.40-23,065.12

Finding the Fourth Proportional to 40,064.16, 55,282.40 and 23,065.12

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Solution

The fourth proportional to 40,064.16, 55,282.40 and 23,065.12 is: 31,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.16 : 55,282.40 = 23,065.12 : x
  2. Step 2: Convert to fraction form
    40,064.16/55,282.40 = 23,065.12/x
  3. Step 3: Cross multiply
    40,064.16x = 55,282.40 × 23,065.12
  4. Step 4: Simplify right side
    40,064.16x = 1,275,095,189.89
  5. Step 5: Solve for x
    x = 1,275,095,189.89/40,064.16
  6. Step 6: Final answer
    x = 31,826.33

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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.