Home / 47,264.20-70,896.28-13,981.68

Finding the Fourth Proportional to 47,264.20, 70,896.28 and 13,981.68

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Solution

The fourth proportional to 47,264.20, 70,896.28 and 13,981.68 is: 20,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,264.20 : 70,896.28 = 13,981.68 : x
  2. Step 2: Convert to fraction form
    47,264.20/70,896.28 = 13,981.68/x
  3. Step 3: Cross multiply
    47,264.20x = 70,896.28 × 13,981.68
  4. Step 4: Simplify right side
    47,264.20x = 991,249,100.15
  5. Step 5: Solve for x
    x = 991,249,100.15/47,264.20
  6. Step 6: Final answer
    x = 20,972.51

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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.