Home / 34,239.45-47,264.99-20,814.99

Finding the Fourth Proportional to 34,239.45, 47,264.99 and 20,814.99

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Solution

The fourth proportional to 34,239.45, 47,264.99 and 20,814.99 is: 28,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,239.45 : 47,264.99 = 20,814.99 : x
  2. Step 2: Convert to fraction form
    34,239.45/47,264.99 = 20,814.99/x
  3. Step 3: Cross multiply
    34,239.45x = 47,264.99 × 20,814.99
  4. Step 4: Simplify right side
    34,239.45x = 983,820,346.24
  5. Step 5: Solve for x
    x = 983,820,346.24/34,239.45
  6. Step 6: Final answer
    x = 28,733.53

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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.