Home / 39,128.18-58,692.89-9,546.58

Finding the Fourth Proportional to 39,128.18, 58,692.89 and 9,546.58

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Solution

The fourth proportional to 39,128.18, 58,692.89 and 9,546.58 is: 14,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.18 : 58,692.89 = 9,546.58 : x
  2. Step 2: Convert to fraction form
    39,128.18/58,692.89 = 9,546.58/x
  3. Step 3: Cross multiply
    39,128.18x = 58,692.89 × 9,546.58
  4. Step 4: Simplify right side
    39,128.18x = 560,316,369.82
  5. Step 5: Solve for x
    x = 560,316,369.82/39,128.18
  6. Step 6: Final answer
    x = 14,320.02

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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.