Home / 64,210.32-96,334.56-30,920.76

Finding the Fourth Proportional to 64,210.32, 96,334.56 and 30,920.76

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Solution

The fourth proportional to 64,210.32, 96,334.56 and 30,920.76 is: 46,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,210.32 : 96,334.56 = 30,920.76 : x
  2. Step 2: Convert to fraction form
    64,210.32/96,334.56 = 30,920.76/x
  3. Step 3: Cross multiply
    64,210.32x = 96,334.56 × 30,920.76
  4. Step 4: Simplify right side
    64,210.32x = 2,978,737,809.47
  5. Step 5: Solve for x
    x = 2,978,737,809.47/64,210.32
  6. Step 6: Final answer
    x = 46,390.33

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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.