Home / 31,339.01-47,011.22-11,617.72

Finding the Fourth Proportional to 31,339.01, 47,011.22 and 11,617.72

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Solution

The fourth proportional to 31,339.01, 47,011.22 and 11,617.72 is: 17,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.01 : 47,011.22 = 11,617.72 : x
  2. Step 2: Convert to fraction form
    31,339.01/47,011.22 = 11,617.72/x
  3. Step 3: Cross multiply
    31,339.01x = 47,011.22 × 11,617.72
  4. Step 4: Simplify right side
    31,339.01x = 546,163,190.82
  5. Step 5: Solve for x
    x = 546,163,190.82/31,339.01
  6. Step 6: Final answer
    x = 17,427.58

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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.