Home / 34,390.48-47,455.58-19,279.67

Finding the Fourth Proportional to 34,390.48, 47,455.58 and 19,279.67

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Solution

The fourth proportional to 34,390.48, 47,455.58 and 19,279.67 is: 26,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.48 : 47,455.58 = 19,279.67 : x
  2. Step 2: Convert to fraction form
    34,390.48/47,455.58 = 19,279.67/x
  3. Step 3: Cross multiply
    34,390.48x = 47,455.58 × 19,279.67
  4. Step 4: Simplify right side
    34,390.48x = 914,927,825.66
  5. Step 5: Solve for x
    x = 914,927,825.66/34,390.48
  6. Step 6: Final answer
    x = 26,604.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.