Home / 70,217.07-96,901.28-38,388.32

Finding the Fourth Proportional to 70,217.07, 96,901.28 and 38,388.32

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Solution

The fourth proportional to 70,217.07, 96,901.28 and 38,388.32 is: 52,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,217.07 : 96,901.28 = 38,388.32 : x
  2. Step 2: Convert to fraction form
    70,217.07/96,901.28 = 38,388.32/x
  3. Step 3: Cross multiply
    70,217.07x = 96,901.28 × 38,388.32
  4. Step 4: Simplify right side
    70,217.07x = 3,719,877,345.05
  5. Step 5: Solve for x
    x = 3,719,877,345.05/70,217.07
  6. Step 6: Final answer
    x = 52,976.82

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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.