Home / 38,897.47-58,310.56-12,588.67

Finding the Fourth Proportional to 38,897.47, 58,310.56 and 12,588.67

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Solution

The fourth proportional to 38,897.47, 58,310.56 and 12,588.67 is: 18,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.47 : 58,310.56 = 12,588.67 : x
  2. Step 2: Convert to fraction form
    38,897.47/58,310.56 = 12,588.67/x
  3. Step 3: Cross multiply
    38,897.47x = 58,310.56 × 12,588.67
  4. Step 4: Simplify right side
    38,897.47x = 734,052,122.58
  5. Step 5: Solve for x
    x = 734,052,122.58/38,897.47
  6. Step 6: Final answer
    x = 18,871.46

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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.