Home / 39,877.60-59,816.24-12,175.60

Finding the Fourth Proportional to 39,877.60, 59,816.24 and 12,175.60

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Solution

The fourth proportional to 39,877.60, 59,816.24 and 12,175.60 is: 18,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.60 : 59,816.24 = 12,175.60 : x
  2. Step 2: Convert to fraction form
    39,877.60/59,816.24 = 12,175.60/x
  3. Step 3: Cross multiply
    39,877.60x = 59,816.24 × 12,175.60
  4. Step 4: Simplify right side
    39,877.60x = 728,298,611.74
  5. Step 5: Solve for x
    x = 728,298,611.74/39,877.60
  6. Step 6: Final answer
    x = 18,263.35

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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.