Home / 34,415.73-47,493.75-20,085.42

Finding the Fourth Proportional to 34,415.73, 47,493.75 and 20,085.42

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Solution

The fourth proportional to 34,415.73, 47,493.75 and 20,085.42 is: 27,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,415.73 : 47,493.75 = 20,085.42 : x
  2. Step 2: Convert to fraction form
    34,415.73/47,493.75 = 20,085.42/x
  3. Step 3: Cross multiply
    34,415.73x = 47,493.75 × 20,085.42
  4. Step 4: Simplify right side
    34,415.73x = 953,931,916.13
  5. Step 5: Solve for x
    x = 953,931,916.13/34,415.73
  6. Step 6: Final answer
    x = 27,717.90

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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.