Home / 34,542.45-47,664.35-21,790.82

Finding the Fourth Proportional to 34,542.45, 47,664.35 and 21,790.82

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Solution

The fourth proportional to 34,542.45, 47,664.35 and 21,790.82 is: 30,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,542.45 : 47,664.35 = 21,790.82 : x
  2. Step 2: Convert to fraction form
    34,542.45/47,664.35 = 21,790.82/x
  3. Step 3: Cross multiply
    34,542.45x = 47,664.35 × 21,790.82
  4. Step 4: Simplify right side
    34,542.45x = 1,038,645,363.19
  5. Step 5: Solve for x
    x = 1,038,645,363.19/34,542.45
  6. Step 6: Final answer
    x = 30,068.67

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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.