Home / 40,681.35-56,142.37-22,775.29

Finding the Fourth Proportional to 40,681.35, 56,142.37 and 22,775.29

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Solution

The fourth proportional to 40,681.35, 56,142.37 and 22,775.29 is: 31,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,681.35 : 56,142.37 = 22,775.29 : x
  2. Step 2: Convert to fraction form
    40,681.35/56,142.37 = 22,775.29/x
  3. Step 3: Cross multiply
    40,681.35x = 56,142.37 × 22,775.29
  4. Step 4: Simplify right side
    40,681.35x = 1,278,658,477.33
  5. Step 5: Solve for x
    x = 1,278,658,477.33/40,681.35
  6. Step 6: Final answer
    x = 31,431.08

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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.