Home / 34,940.40-52,417.52-9,980.66

Finding the Fourth Proportional to 34,940.40, 52,417.52 and 9,980.66

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Solution

The fourth proportional to 34,940.40, 52,417.52 and 9,980.66 is: 14,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,940.40 : 52,417.52 = 9,980.66 : x
  2. Step 2: Convert to fraction form
    34,940.40/52,417.52 = 9,980.66/x
  3. Step 3: Cross multiply
    34,940.40x = 52,417.52 × 9,980.66
  4. Step 4: Simplify right side
    34,940.40x = 523,161,710.27
  5. Step 5: Solve for x
    x = 523,161,710.27/34,940.40
  6. Step 6: Final answer
    x = 14,972.97

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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.