Home / 65,946.91-98,934.21-21,570.20

Finding the Fourth Proportional to 65,946.91, 98,934.21 and 21,570.20

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Solution

The fourth proportional to 65,946.91, 98,934.21 and 21,570.20 is: 32,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,946.91 : 98,934.21 = 21,570.20 : x
  2. Step 2: Convert to fraction form
    65,946.91/98,934.21 = 21,570.20/x
  3. Step 3: Cross multiply
    65,946.91x = 98,934.21 × 21,570.20
  4. Step 4: Simplify right side
    65,946.91x = 2,134,030,696.54
  5. Step 5: Solve for x
    x = 2,134,030,696.54/65,946.91
  6. Step 6: Final answer
    x = 32,359.83

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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.