Home / 67,637.32-93,357.22-38,960.28

Finding the Fourth Proportional to 67,637.32, 93,357.22 and 38,960.28

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Solution

The fourth proportional to 67,637.32, 93,357.22 and 38,960.28 is: 53,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,637.32 : 93,357.22 = 38,960.28 : x
  2. Step 2: Convert to fraction form
    67,637.32/93,357.22 = 38,960.28/x
  3. Step 3: Cross multiply
    67,637.32x = 93,357.22 × 38,960.28
  4. Step 4: Simplify right side
    67,637.32x = 3,637,223,431.22
  5. Step 5: Solve for x
    x = 3,637,223,431.22/67,637.32
  6. Step 6: Final answer
    x = 53,775.39

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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.