Home / 31,626.53-47,398.64-12,884.62

Finding the Fourth Proportional to 31,626.53, 47,398.64 and 12,884.62

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Solution

The fourth proportional to 31,626.53, 47,398.64 and 12,884.62 is: 19,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.53 : 47,398.64 = 12,884.62 : x
  2. Step 2: Convert to fraction form
    31,626.53/47,398.64 = 12,884.62/x
  3. Step 3: Cross multiply
    31,626.53x = 47,398.64 × 12,884.62
  4. Step 4: Simplify right side
    31,626.53x = 610,713,271.07
  5. Step 5: Solve for x
    x = 610,713,271.07/31,626.53
  6. Step 6: Final answer
    x = 19,310.16

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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.