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Finding the Fourth Proportional to 39,409.60, 59,114.40 and 37,854.40

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Solution

The fourth proportional to 39,409.60, 59,114.40 and 37,854.40 is: 56,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.60 : 59,114.40 = 37,854.40 : x
  2. Step 2: Convert to fraction form
    39,409.60/59,114.40 = 37,854.40/x
  3. Step 3: Cross multiply
    39,409.60x = 59,114.40 × 37,854.40
  4. Step 4: Simplify right side
    39,409.60x = 2,237,740,143.36
  5. Step 5: Solve for x
    x = 2,237,740,143.36/39,409.60
  6. Step 6: Final answer
    x = 56,781.60

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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.