Home / 58,015.40-86,850.77-31,640.18

Finding the Fourth Proportional to 58,015.40, 86,850.77 and 31,640.18

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Solution

The fourth proportional to 58,015.40, 86,850.77 and 31,640.18 is: 47,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,015.40 : 86,850.77 = 31,640.18 : x
  2. Step 2: Convert to fraction form
    58,015.40/86,850.77 = 31,640.18/x
  3. Step 3: Cross multiply
    58,015.40x = 86,850.77 × 31,640.18
  4. Step 4: Simplify right side
    58,015.40x = 2,747,973,403.48
  5. Step 5: Solve for x
    x = 2,747,973,403.48/58,015.40
  6. Step 6: Final answer
    x = 47,366.28

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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.