Home / 65,622.19-98,448.90-21,248.92

Finding the Fourth Proportional to 65,622.19, 98,448.90 and 21,248.92

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Solution

The fourth proportional to 65,622.19, 98,448.90 and 21,248.92 is: 31,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,622.19 : 98,448.90 = 21,248.92 : x
  2. Step 2: Convert to fraction form
    65,622.19/98,448.90 = 21,248.92/x
  3. Step 3: Cross multiply
    65,622.19x = 98,448.90 × 21,248.92
  4. Step 4: Simplify right side
    65,622.19x = 2,091,932,800.19
  5. Step 5: Solve for x
    x = 2,091,932,800.19/65,622.19
  6. Step 6: Final answer
    x = 31,878.44

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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.