Home / 34,368.60-47,433.06-20,222.76

Finding the Fourth Proportional to 34,368.60, 47,433.06 and 20,222.76

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Solution

The fourth proportional to 34,368.60, 47,433.06 and 20,222.76 is: 27,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,368.60 : 47,433.06 = 20,222.76 : x
  2. Step 2: Convert to fraction form
    34,368.60/47,433.06 = 20,222.76/x
  3. Step 3: Cross multiply
    34,368.60x = 47,433.06 × 20,222.76
  4. Step 4: Simplify right side
    34,368.60x = 959,227,388.45
  5. Step 5: Solve for x
    x = 959,227,388.45/34,368.60
  6. Step 6: Final answer
    x = 27,909.99

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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.