Home / 47,285-70,939.68-17,703.26

Finding the Fourth Proportional to 47,285, 70,939.68 and 17,703.26

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Solution

The fourth proportional to 47,285, 70,939.68 and 17,703.26 is: 26,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,285 : 70,939.68 = 17,703.26 : x
  2. Step 2: Convert to fraction form
    47,285/70,939.68 = 17,703.26/x
  3. Step 3: Cross multiply
    47,285x = 70,939.68 × 17,703.26
  4. Step 4: Simplify right side
    47,285x = 1,255,863,599.36
  5. Step 5: Solve for x
    x = 1,255,863,599.36/47,285
  6. Step 6: Final answer
    x = 26,559.45

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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.