Home / 31,509.45-43,482.56-17,362.80

Finding the Fourth Proportional to 31,509.45, 43,482.56 and 17,362.80

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Solution

The fourth proportional to 31,509.45, 43,482.56 and 17,362.80 is: 23,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.45 : 43,482.56 = 17,362.80 : x
  2. Step 2: Convert to fraction form
    31,509.45/43,482.56 = 17,362.80/x
  3. Step 3: Cross multiply
    31,509.45x = 43,482.56 × 17,362.80
  4. Step 4: Simplify right side
    31,509.45x = 754,978,905.95
  5. Step 5: Solve for x
    x = 754,978,905.95/31,509.45
  6. Step 6: Final answer
    x = 23,960.40

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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.