Home / 47,148.80-70,618.71-27,378.32

Finding the Fourth Proportional to 47,148.80, 70,618.71 and 27,378.32

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Solution

The fourth proportional to 47,148.80, 70,618.71 and 27,378.32 is: 41,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,148.80 : 70,618.71 = 27,378.32 : x
  2. Step 2: Convert to fraction form
    47,148.80/70,618.71 = 27,378.32/x
  3. Step 3: Cross multiply
    47,148.80x = 70,618.71 × 27,378.32
  4. Step 4: Simplify right side
    47,148.80x = 1,933,421,640.37
  5. Step 5: Solve for x
    x = 1,933,421,640.37/47,148.80
  6. Step 6: Final answer
    x = 41,006.80

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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.