Home / 64,239.52-88,636.24-40,357.48

Finding the Fourth Proportional to 64,239.52, 88,636.24 and 40,357.48

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Solution

The fourth proportional to 64,239.52, 88,636.24 and 40,357.48 is: 55,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,239.52 : 88,636.24 = 40,357.48 : x
  2. Step 2: Convert to fraction form
    64,239.52/88,636.24 = 40,357.48/x
  3. Step 3: Cross multiply
    64,239.52x = 88,636.24 × 40,357.48
  4. Step 4: Simplify right side
    64,239.52x = 3,577,135,283.08
  5. Step 5: Solve for x
    x = 3,577,135,283.08/64,239.52
  6. Step 6: Final answer
    x = 55,684.34

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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.