Home / 39,385.39-59,077.78-9,803.03

Finding the Fourth Proportional to 39,385.39, 59,077.78 and 9,803.03

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Solution

The fourth proportional to 39,385.39, 59,077.78 and 9,803.03 is: 14,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,385.39 : 59,077.78 = 9,803.03 : x
  2. Step 2: Convert to fraction form
    39,385.39/59,077.78 = 9,803.03/x
  3. Step 3: Cross multiply
    39,385.39x = 59,077.78 × 9,803.03
  4. Step 4: Simplify right side
    39,385.39x = 579,141,101.98
  5. Step 5: Solve for x
    x = 579,141,101.98/39,385.39
  6. Step 6: Final answer
    x = 14,704.47

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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.