Home / 31,497.36-47,154.52-18,309.52

Finding the Fourth Proportional to 31,497.36, 47,154.52 and 18,309.52

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Solution

The fourth proportional to 31,497.36, 47,154.52 and 18,309.52 is: 27,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497.36 : 47,154.52 = 18,309.52 : x
  2. Step 2: Convert to fraction form
    31,497.36/47,154.52 = 18,309.52/x
  3. Step 3: Cross multiply
    31,497.36x = 47,154.52 × 18,309.52
  4. Step 4: Simplify right side
    31,497.36x = 863,376,627.03
  5. Step 5: Solve for x
    x = 863,376,627.03/31,497.36
  6. Step 6: Final answer
    x = 27,411.08

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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.