Home / 31,613.41-47,420.05-9,426.23

Finding the Fourth Proportional to 31,613.41, 47,420.05 and 9,426.23

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Solution

The fourth proportional to 31,613.41, 47,420.05 and 9,426.23 is: 14,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613.41 : 47,420.05 = 9,426.23 : x
  2. Step 2: Convert to fraction form
    31,613.41/47,420.05 = 9,426.23/x
  3. Step 3: Cross multiply
    31,613.41x = 47,420.05 × 9,426.23
  4. Step 4: Simplify right side
    31,613.41x = 446,992,297.91
  5. Step 5: Solve for x
    x = 446,992,297.91/31,613.41
  6. Step 6: Final answer
    x = 14,139.33

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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.