Home / 38,883.96-58,335.21-12,588.71

Finding the Fourth Proportional to 38,883.96, 58,335.21 and 12,588.71

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Solution

The fourth proportional to 38,883.96, 58,335.21 and 12,588.71 is: 18,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,883.96 : 58,335.21 = 12,588.71 : x
  2. Step 2: Convert to fraction form
    38,883.96/58,335.21 = 12,588.71/x
  3. Step 3: Cross multiply
    38,883.96x = 58,335.21 × 12,588.71
  4. Step 4: Simplify right side
    38,883.96x = 734,365,041.48
  5. Step 5: Solve for x
    x = 734,365,041.48/38,883.96
  6. Step 6: Final answer
    x = 18,886.07

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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.