Home / 31,400.80-43,333.08-17,253.64

Finding the Fourth Proportional to 31,400.80, 43,333.08 and 17,253.64

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Solution

The fourth proportional to 31,400.80, 43,333.08 and 17,253.64 is: 23,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.80 : 43,333.08 = 17,253.64 : x
  2. Step 2: Convert to fraction form
    31,400.80/43,333.08 = 17,253.64/x
  3. Step 3: Cross multiply
    31,400.80x = 43,333.08 × 17,253.64
  4. Step 4: Simplify right side
    31,400.80x = 747,653,362.41
  5. Step 5: Solve for x
    x = 747,653,362.41/31,400.80
  6. Step 6: Final answer
    x = 23,810.01

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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.