Home / 38,856.20-58,270.02-13,889.51

Finding the Fourth Proportional to 38,856.20, 58,270.02 and 13,889.51

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Solution

The fourth proportional to 38,856.20, 58,270.02 and 13,889.51 is: 20,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,856.20 : 58,270.02 = 13,889.51 : x
  2. Step 2: Convert to fraction form
    38,856.20/58,270.02 = 13,889.51/x
  3. Step 3: Cross multiply
    38,856.20x = 58,270.02 × 13,889.51
  4. Step 4: Simplify right side
    38,856.20x = 809,342,025.49
  5. Step 5: Solve for x
    x = 809,342,025.49/38,856.20
  6. Step 6: Final answer
    x = 20,829.16

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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.