Home / 70,813.24-97,725.78-38,981.80

Finding the Fourth Proportional to 70,813.24, 97,725.78 and 38,981.80

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Solution

The fourth proportional to 70,813.24, 97,725.78 and 38,981.80 is: 53,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,813.24 : 97,725.78 = 38,981.80 : x
  2. Step 2: Convert to fraction form
    70,813.24/97,725.78 = 38,981.80/x
  3. Step 3: Cross multiply
    70,813.24x = 97,725.78 × 38,981.80
  4. Step 4: Simplify right side
    70,813.24x = 3,809,526,810.80
  5. Step 5: Solve for x
    x = 3,809,526,810.80/70,813.24
  6. Step 6: Final answer
    x = 53,796.82

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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.