Home / 47,211.84-70,784.96-20,902.23

Finding the Fourth Proportional to 47,211.84, 70,784.96 and 20,902.23

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Solution

The fourth proportional to 47,211.84, 70,784.96 and 20,902.23 is: 31,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.84 : 70,784.96 = 20,902.23 : x
  2. Step 2: Convert to fraction form
    47,211.84/70,784.96 = 20,902.23/x
  3. Step 3: Cross multiply
    47,211.84x = 70,784.96 × 20,902.23
  4. Step 4: Simplify right side
    47,211.84x = 1,479,563,409.95
  5. Step 5: Solve for x
    x = 1,479,563,409.95/47,211.84
  6. Step 6: Final answer
    x = 31,338.82

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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.