Home / 39,378.58-59,068.09-9,796.42

Finding the Fourth Proportional to 39,378.58, 59,068.09 and 9,796.42

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Solution

The fourth proportional to 39,378.58, 59,068.09 and 9,796.42 is: 14,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,378.58 : 59,068.09 = 9,796.42 : x
  2. Step 2: Convert to fraction form
    39,378.58/59,068.09 = 9,796.42/x
  3. Step 3: Cross multiply
    39,378.58x = 59,068.09 × 9,796.42
  4. Step 4: Simplify right side
    39,378.58x = 578,655,818.24
  5. Step 5: Solve for x
    x = 578,655,818.24/39,378.58
  6. Step 6: Final answer
    x = 14,694.68

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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.