Home / 45,746.50-68,585.86-21,718.92

Finding the Fourth Proportional to 45,746.50, 68,585.86 and 21,718.92

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Solution

The fourth proportional to 45,746.50, 68,585.86 and 21,718.92 is: 32,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,746.50 : 68,585.86 = 21,718.92 : x
  2. Step 2: Convert to fraction form
    45,746.50/68,585.86 = 21,718.92/x
  3. Step 3: Cross multiply
    45,746.50x = 68,585.86 × 21,718.92
  4. Step 4: Simplify right side
    45,746.50x = 1,489,610,806.47
  5. Step 5: Solve for x
    x = 1,489,610,806.47/45,746.50
  6. Step 6: Final answer
    x = 32,562.29

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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.