Home / 39,347.09-59,020.54-12,331.50

Finding the Fourth Proportional to 39,347.09, 59,020.54 and 12,331.50

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Solution

The fourth proportional to 39,347.09, 59,020.54 and 12,331.50 is: 18,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.09 : 59,020.54 = 12,331.50 : x
  2. Step 2: Convert to fraction form
    39,347.09/59,020.54 = 12,331.50/x
  3. Step 3: Cross multiply
    39,347.09x = 59,020.54 × 12,331.50
  4. Step 4: Simplify right side
    39,347.09x = 727,811,789.01
  5. Step 5: Solve for x
    x = 727,811,789.01/39,347.09
  6. Step 6: Final answer
    x = 18,497.22

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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.