Home / 38,139.21-57,209.69-10,062.10

Finding the Fourth Proportional to 38,139.21, 57,209.69 and 10,062.10

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Solution

The fourth proportional to 38,139.21, 57,209.69 and 10,062.10 is: 15,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,139.21 : 57,209.69 = 10,062.10 : x
  2. Step 2: Convert to fraction form
    38,139.21/57,209.69 = 10,062.10/x
  3. Step 3: Cross multiply
    38,139.21x = 57,209.69 × 10,062.10
  4. Step 4: Simplify right side
    38,139.21x = 575,649,428.41
  5. Step 5: Solve for x
    x = 575,649,428.41/38,139.21
  6. Step 6: Final answer
    x = 15,093.38

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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.