Home / 31,113.40-46,634.26-15,542.20

Finding the Fourth Proportional to 31,113.40, 46,634.26 and 15,542.20

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Solution

The fourth proportional to 31,113.40, 46,634.26 and 15,542.20 is: 23,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,113.40 : 46,634.26 = 15,542.20 : x
  2. Step 2: Convert to fraction form
    31,113.40/46,634.26 = 15,542.20/x
  3. Step 3: Cross multiply
    31,113.40x = 46,634.26 × 15,542.20
  4. Step 4: Simplify right side
    31,113.40x = 724,798,995.77
  5. Step 5: Solve for x
    x = 724,798,995.77/31,113.40
  6. Step 6: Final answer
    x = 23,295.40

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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.