Home / 70,047.08-96,661.02-39,839.74

Finding the Fourth Proportional to 70,047.08, 96,661.02 and 39,839.74

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Solution

The fourth proportional to 70,047.08, 96,661.02 and 39,839.74 is: 54,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,047.08 : 96,661.02 = 39,839.74 : x
  2. Step 2: Convert to fraction form
    70,047.08/96,661.02 = 39,839.74/x
  3. Step 3: Cross multiply
    70,047.08x = 96,661.02 × 39,839.74
  4. Step 4: Simplify right side
    70,047.08x = 3,850,949,904.93
  5. Step 5: Solve for x
    x = 3,850,949,904.93/70,047.08
  6. Step 6: Final answer
    x = 54,976.59

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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.