Home / 31,574.04-47,335.91-18,231.89

Finding the Fourth Proportional to 31,574.04, 47,335.91 and 18,231.89

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Solution

The fourth proportional to 31,574.04, 47,335.91 and 18,231.89 is: 27,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.04 : 47,335.91 = 18,231.89 : x
  2. Step 2: Convert to fraction form
    31,574.04/47,335.91 = 18,231.89/x
  3. Step 3: Cross multiply
    31,574.04x = 47,335.91 × 18,231.89
  4. Step 4: Simplify right side
    31,574.04x = 863,022,878.89
  5. Step 5: Solve for x
    x = 863,022,878.89/31,574.04
  6. Step 6: Final answer
    x = 27,333.31

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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.