Home / 31,929.36-47,897.28-12,224.49

Finding the Fourth Proportional to 31,929.36, 47,897.28 and 12,224.49

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Solution

The fourth proportional to 31,929.36, 47,897.28 and 12,224.49 is: 18,337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.36 : 47,897.28 = 12,224.49 : x
  2. Step 2: Convert to fraction form
    31,929.36/47,897.28 = 12,224.49/x
  3. Step 3: Cross multiply
    31,929.36x = 47,897.28 × 12,224.49
  4. Step 4: Simplify right side
    31,929.36x = 585,519,820.39
  5. Step 5: Solve for x
    x = 585,519,820.39/31,929.36
  6. Step 6: Final answer
    x = 18,337.98

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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.