Home / 38,803.85-58,205.75-10,340.81

Finding the Fourth Proportional to 38,803.85, 58,205.75 and 10,340.81

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Solution

The fourth proportional to 38,803.85, 58,205.75 and 10,340.81 is: 15,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803.85 : 58,205.75 = 10,340.81 : x
  2. Step 2: Convert to fraction form
    38,803.85/58,205.75 = 10,340.81/x
  3. Step 3: Cross multiply
    38,803.85x = 58,205.75 × 10,340.81
  4. Step 4: Simplify right side
    38,803.85x = 601,894,477.20
  5. Step 5: Solve for x
    x = 601,894,477.20/38,803.85
  6. Step 6: Final answer
    x = 15,511.21

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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.