Home / 38,716.70-58,070.41-10,639.60

Finding the Fourth Proportional to 38,716.70, 58,070.41 and 10,639.60

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Solution

The fourth proportional to 38,716.70, 58,070.41 and 10,639.60 is: 15,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,716.70 : 58,070.41 = 10,639.60 : x
  2. Step 2: Convert to fraction form
    38,716.70/58,070.41 = 10,639.60/x
  3. Step 3: Cross multiply
    38,716.70x = 58,070.41 × 10,639.60
  4. Step 4: Simplify right side
    38,716.70x = 617,845,762.46
  5. Step 5: Solve for x
    x = 617,845,762.46/38,716.70
  6. Step 6: Final answer
    x = 15,958.12

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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.