Home / 31,946.60-47,929.15-13,223.18

Finding the Fourth Proportional to 31,946.60, 47,929.15 and 13,223.18

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Solution

The fourth proportional to 31,946.60, 47,929.15 and 13,223.18 is: 19,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946.60 : 47,929.15 = 13,223.18 : x
  2. Step 2: Convert to fraction form
    31,946.60/47,929.15 = 13,223.18/x
  3. Step 3: Cross multiply
    31,946.60x = 47,929.15 × 13,223.18
  4. Step 4: Simplify right side
    31,946.60x = 633,775,777.70
  5. Step 5: Solve for x
    x = 633,775,777.70/31,946.60
  6. Step 6: Final answer
    x = 19,838.60

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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.