Home / 31,532.49-47,318.58-12,812.99

Finding the Fourth Proportional to 31,532.49, 47,318.58 and 12,812.99

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Solution

The fourth proportional to 31,532.49, 47,318.58 and 12,812.99 is: 19,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.49 : 47,318.58 = 12,812.99 : x
  2. Step 2: Convert to fraction form
    31,532.49/47,318.58 = 12,812.99/x
  3. Step 3: Cross multiply
    31,532.49x = 47,318.58 × 12,812.99
  4. Step 4: Simplify right side
    31,532.49x = 606,292,255.76
  5. Step 5: Solve for x
    x = 606,292,255.76/31,532.49
  6. Step 6: Final answer
    x = 19,227.54

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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.