Home / 67,857.52-93,633.18-38,783.80

Finding the Fourth Proportional to 67,857.52, 93,633.18 and 38,783.80

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Solution

The fourth proportional to 67,857.52, 93,633.18 and 38,783.80 is: 53,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,857.52 : 93,633.18 = 38,783.80 : x
  2. Step 2: Convert to fraction form
    67,857.52/93,633.18 = 38,783.80/x
  3. Step 3: Cross multiply
    67,857.52x = 93,633.18 × 38,783.80
  4. Step 4: Simplify right side
    67,857.52x = 3,631,450,526.48
  5. Step 5: Solve for x
    x = 3,631,450,526.48/67,857.52
  6. Step 6: Final answer
    x = 53,515.82

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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.