Home / 31,468.01-43,390.40-22,955.13

Finding the Fourth Proportional to 31,468.01, 43,390.40 and 22,955.13

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Solution

The fourth proportional to 31,468.01, 43,390.40 and 22,955.13 is: 31,652.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.01 : 43,390.40 = 22,955.13 : x
  2. Step 2: Convert to fraction form
    31,468.01/43,390.40 = 22,955.13/x
  3. Step 3: Cross multiply
    31,468.01x = 43,390.40 × 22,955.13
  4. Step 4: Simplify right side
    31,468.01x = 996,032,157.98
  5. Step 5: Solve for x
    x = 996,032,157.98/31,468.01
  6. Step 6: Final answer
    x = 31,652.22

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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.