Home / 47,080.80-70,556.40-31,240.80

Finding the Fourth Proportional to 47,080.80, 70,556.40 and 31,240.80

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Solution

The fourth proportional to 47,080.80, 70,556.40 and 31,240.80 is: 46,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,080.80 : 70,556.40 = 31,240.80 : x
  2. Step 2: Convert to fraction form
    47,080.80/70,556.40 = 31,240.80/x
  3. Step 3: Cross multiply
    47,080.80x = 70,556.40 × 31,240.80
  4. Step 4: Simplify right side
    47,080.80x = 2,204,238,381.12
  5. Step 5: Solve for x
    x = 2,204,238,381.12/47,080.80
  6. Step 6: Final answer
    x = 46,818.20

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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.