Home / 46,019.40-69,029.10-31,147.80

Finding the Fourth Proportional to 46,019.40, 69,029.10 and 31,147.80

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Solution

The fourth proportional to 46,019.40, 69,029.10 and 31,147.80 is: 46,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,019.40 : 69,029.10 = 31,147.80 : x
  2. Step 2: Convert to fraction form
    46,019.40/69,029.10 = 31,147.80/x
  3. Step 3: Cross multiply
    46,019.40x = 69,029.10 × 31,147.80
  4. Step 4: Simplify right side
    46,019.40x = 2,150,104,600.98
  5. Step 5: Solve for x
    x = 2,150,104,600.98/46,019.40
  6. Step 6: Final answer
    x = 46,721.70

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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.