Home / 47,120.32-70,680.16-14,288.32

Finding the Fourth Proportional to 47,120.32, 70,680.16 and 14,288.32

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Solution

The fourth proportional to 47,120.32, 70,680.16 and 14,288.32 is: 21,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.32 : 70,680.16 = 14,288.32 : x
  2. Step 2: Convert to fraction form
    47,120.32/70,680.16 = 14,288.32/x
  3. Step 3: Cross multiply
    47,120.32x = 70,680.16 × 14,288.32
  4. Step 4: Simplify right side
    47,120.32x = 1,009,900,743.73
  5. Step 5: Solve for x
    x = 1,009,900,743.73/47,120.32
  6. Step 6: Final answer
    x = 21,432.38

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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.