Home / 66,332.16-99,477.60-21,948.96

Finding the Fourth Proportional to 66,332.16, 99,477.60 and 21,948.96

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Solution

The fourth proportional to 66,332.16, 99,477.60 and 21,948.96 is: 32,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,332.16 : 99,477.60 = 21,948.96 : x
  2. Step 2: Convert to fraction form
    66,332.16/99,477.60 = 21,948.96/x
  3. Step 3: Cross multiply
    66,332.16x = 99,477.60 × 21,948.96
  4. Step 4: Simplify right side
    66,332.16x = 2,183,429,863.30
  5. Step 5: Solve for x
    x = 2,183,429,863.30/66,332.16
  6. Step 6: Final answer
    x = 32,916.61

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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.