Home / 39,219.60-58,829.40-38,571.60

Finding the Fourth Proportional to 39,219.60, 58,829.40 and 38,571.60

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Solution

The fourth proportional to 39,219.60, 58,829.40 and 38,571.60 is: 57,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.60 : 58,829.40 = 38,571.60 : x
  2. Step 2: Convert to fraction form
    39,219.60/58,829.40 = 38,571.60/x
  3. Step 3: Cross multiply
    39,219.60x = 58,829.40 × 38,571.60
  4. Step 4: Simplify right side
    39,219.60x = 2,269,144,085.04
  5. Step 5: Solve for x
    x = 2,269,144,085.04/39,219.60
  6. Step 6: Final answer
    x = 57,857.40

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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.