Home / 31,574.44-47,346.30-18,431.08

Finding the Fourth Proportional to 31,574.44, 47,346.30 and 18,431.08

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Solution

The fourth proportional to 31,574.44, 47,346.30 and 18,431.08 is: 27,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.44 : 47,346.30 = 18,431.08 : x
  2. Step 2: Convert to fraction form
    31,574.44/47,346.30 = 18,431.08/x
  3. Step 3: Cross multiply
    31,574.44x = 47,346.30 × 18,431.08
  4. Step 4: Simplify right side
    31,574.44x = 872,643,443.00
  5. Step 5: Solve for x
    x = 872,643,443.00/31,574.44
  6. Step 6: Final answer
    x = 27,637.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.