Home / 77,974.23-116,940.59-21,810.86

Finding the Fourth Proportional to 77,974.23, 116,940.59 and 21,810.86

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Solution

The fourth proportional to 77,974.23, 116,940.59 and 21,810.86 is: 32,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,974.23 : 116,940.59 = 21,810.86 : x
  2. Step 2: Convert to fraction form
    77,974.23/116,940.59 = 21,810.86/x
  3. Step 3: Cross multiply
    77,974.23x = 116,940.59 × 21,810.86
  4. Step 4: Simplify right side
    77,974.23x = 2,550,574,598.98
  5. Step 5: Solve for x
    x = 2,550,574,598.98/77,974.23
  6. Step 6: Final answer
    x = 32,710.48

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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.