Home / 34,539.69-47,665.90-21,116.98

Finding the Fourth Proportional to 34,539.69, 47,665.90 and 21,116.98

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Solution

The fourth proportional to 34,539.69, 47,665.90 and 21,116.98 is: 29,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,539.69 : 47,665.90 = 21,116.98 : x
  2. Step 2: Convert to fraction form
    34,539.69/47,665.90 = 21,116.98/x
  3. Step 3: Cross multiply
    34,539.69x = 47,665.90 × 21,116.98
  4. Step 4: Simplify right side
    34,539.69x = 1,006,559,856.98
  5. Step 5: Solve for x
    x = 1,006,559,856.98/34,539.69
  6. Step 6: Final answer
    x = 29,142.12

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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.