Home / 39,220.41-58,812.15-14,242.80

Finding the Fourth Proportional to 39,220.41, 58,812.15 and 14,242.80

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Solution

The fourth proportional to 39,220.41, 58,812.15 and 14,242.80 is: 21,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.41 : 58,812.15 = 14,242.80 : x
  2. Step 2: Convert to fraction form
    39,220.41/58,812.15 = 14,242.80/x
  3. Step 3: Cross multiply
    39,220.41x = 58,812.15 × 14,242.80
  4. Step 4: Simplify right side
    39,220.41x = 837,649,690.02
  5. Step 5: Solve for x
    x = 837,649,690.02/39,220.41
  6. Step 6: Final answer
    x = 21,357.49

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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.