Home / 38,901.16-58,357.91-13,940.67

Finding the Fourth Proportional to 38,901.16, 58,357.91 and 13,940.67

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Solution

The fourth proportional to 38,901.16, 58,357.91 and 13,940.67 is: 20,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,901.16 : 58,357.91 = 13,940.67 : x
  2. Step 2: Convert to fraction form
    38,901.16/58,357.91 = 13,940.67/x
  3. Step 3: Cross multiply
    38,901.16x = 58,357.91 × 13,940.67
  4. Step 4: Simplify right side
    38,901.16x = 813,548,365.20
  5. Step 5: Solve for x
    x = 813,548,365.20/38,901.16
  6. Step 6: Final answer
    x = 20,913.22

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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.