Home / 31,482.04-47,171.74-18,345.48

Finding the Fourth Proportional to 31,482.04, 47,171.74 and 18,345.48

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Solution

The fourth proportional to 31,482.04, 47,171.74 and 18,345.48 is: 27,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.04 : 47,171.74 = 18,345.48 : x
  2. Step 2: Convert to fraction form
    31,482.04/47,171.74 = 18,345.48/x
  3. Step 3: Cross multiply
    31,482.04x = 47,171.74 × 18,345.48
  4. Step 4: Simplify right side
    31,482.04x = 865,388,212.74
  5. Step 5: Solve for x
    x = 865,388,212.74/31,482.04
  6. Step 6: Final answer
    x = 27,488.31

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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.