Home / 39,670.70-59,511.59-11,592.80

Finding the Fourth Proportional to 39,670.70, 59,511.59 and 11,592.80

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Solution

The fourth proportional to 39,670.70, 59,511.59 and 11,592.80 is: 17,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670.70 : 59,511.59 = 11,592.80 : x
  2. Step 2: Convert to fraction form
    39,670.70/59,511.59 = 11,592.80/x
  3. Step 3: Cross multiply
    39,670.70x = 59,511.59 × 11,592.80
  4. Step 4: Simplify right side
    39,670.70x = 689,906,271.63
  5. Step 5: Solve for x
    x = 689,906,271.63/39,670.70
  6. Step 6: Final answer
    x = 17,390.83

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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.