Home / 31,396.24-47,090.14-11,672.08

Finding the Fourth Proportional to 31,396.24, 47,090.14 and 11,672.08

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Solution

The fourth proportional to 31,396.24, 47,090.14 and 11,672.08 is: 17,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.24 : 47,090.14 = 11,672.08 : x
  2. Step 2: Convert to fraction form
    31,396.24/47,090.14 = 11,672.08/x
  3. Step 3: Cross multiply
    31,396.24x = 47,090.14 × 11,672.08
  4. Step 4: Simplify right side
    31,396.24x = 549,639,881.29
  5. Step 5: Solve for x
    x = 549,639,881.29/31,396.24
  6. Step 6: Final answer
    x = 17,506.55

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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.