Home / 31,730.04-47,590.41-8,356.44

Finding the Fourth Proportional to 31,730.04, 47,590.41 and 8,356.44

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Solution

The fourth proportional to 31,730.04, 47,590.41 and 8,356.44 is: 12,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730.04 : 47,590.41 = 8,356.44 : x
  2. Step 2: Convert to fraction form
    31,730.04/47,590.41 = 8,356.44/x
  3. Step 3: Cross multiply
    31,730.04x = 47,590.41 × 8,356.44
  4. Step 4: Simplify right side
    31,730.04x = 397,686,405.74
  5. Step 5: Solve for x
    x = 397,686,405.74/31,730.04
  6. Step 6: Final answer
    x = 12,533.44

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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.