Home / 39,916.32-59,884.08-20,194.32

Finding the Fourth Proportional to 39,916.32, 59,884.08 and 20,194.32

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Solution

The fourth proportional to 39,916.32, 59,884.08 and 20,194.32 is: 30,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.32 : 59,884.08 = 20,194.32 : x
  2. Step 2: Convert to fraction form
    39,916.32/59,884.08 = 20,194.32/x
  3. Step 3: Cross multiply
    39,916.32x = 59,884.08 × 20,194.32
  4. Step 4: Simplify right side
    39,916.32x = 1,209,318,274.43
  5. Step 5: Solve for x
    x = 1,209,318,274.43/39,916.32
  6. Step 6: Final answer
    x = 30,296.34

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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.