Home / 70,017.07-96,631.86-39,806.95

Finding the Fourth Proportional to 70,017.07, 96,631.86 and 39,806.95

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Solution

The fourth proportional to 70,017.07, 96,631.86 and 39,806.95 is: 54,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,017.07 : 96,631.86 = 39,806.95 : x
  2. Step 2: Convert to fraction form
    70,017.07/96,631.86 = 39,806.95/x
  3. Step 3: Cross multiply
    70,017.07x = 96,631.86 × 39,806.95
  4. Step 4: Simplify right side
    70,017.07x = 3,846,619,619.43
  5. Step 5: Solve for x
    x = 3,846,619,619.43/70,017.07
  6. Step 6: Final answer
    x = 54,938.31

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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.