Home / 38,421.19-57,631.78-10,341.30

Finding the Fourth Proportional to 38,421.19, 57,631.78 and 10,341.30

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Solution

The fourth proportional to 38,421.19, 57,631.78 and 10,341.30 is: 15,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.19 : 57,631.78 = 10,341.30 : x
  2. Step 2: Convert to fraction form
    38,421.19/57,631.78 = 10,341.30/x
  3. Step 3: Cross multiply
    38,421.19x = 57,631.78 × 10,341.30
  4. Step 4: Simplify right side
    38,421.19x = 595,987,526.51
  5. Step 5: Solve for x
    x = 595,987,526.51/38,421.19
  6. Step 6: Final answer
    x = 15,511.95

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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.