Home / 64,043.10-88,338.24-38,892.60

Finding the Fourth Proportional to 64,043.10, 88,338.24 and 38,892.60

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Solution

The fourth proportional to 64,043.10, 88,338.24 and 38,892.60 is: 53,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,043.10 : 88,338.24 = 38,892.60 : x
  2. Step 2: Convert to fraction form
    64,043.10/88,338.24 = 38,892.60/x
  3. Step 3: Cross multiply
    64,043.10x = 88,338.24 × 38,892.60
  4. Step 4: Simplify right side
    64,043.10x = 3,435,703,833.02
  5. Step 5: Solve for x
    x = 3,435,703,833.02/64,043.10
  6. Step 6: Final answer
    x = 53,646.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.