Home / 34,736.32-47,937-21,299.86

Finding the Fourth Proportional to 34,736.32, 47,937 and 21,299.86

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Solution

The fourth proportional to 34,736.32, 47,937 and 21,299.86 is: 29,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,736.32 : 47,937 = 21,299.86 : x
  2. Step 2: Convert to fraction form
    34,736.32/47,937 = 21,299.86/x
  3. Step 3: Cross multiply
    34,736.32x = 47,937 × 21,299.86
  4. Step 4: Simplify right side
    34,736.32x = 1,021,051,388.82
  5. Step 5: Solve for x
    x = 1,021,051,388.82/34,736.32
  6. Step 6: Final answer
    x = 29,394.35

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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.