Home / 47,225.88-70,790.22-20,943

Finding the Fourth Proportional to 47,225.88, 70,790.22 and 20,943

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Solution

The fourth proportional to 47,225.88, 70,790.22 and 20,943 is: 31,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,225.88 : 70,790.22 = 20,943 : x
  2. Step 2: Convert to fraction form
    47,225.88/70,790.22 = 20,943/x
  3. Step 3: Cross multiply
    47,225.88x = 70,790.22 × 20,943
  4. Step 4: Simplify right side
    47,225.88x = 1,482,559,577.46
  5. Step 5: Solve for x
    x = 1,482,559,577.46/47,225.88
  6. Step 6: Final answer
    x = 31,392.95

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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.