Home / 40,653.79-61,006.71-21,946.86

Finding the Fourth Proportional to 40,653.79, 61,006.71 and 21,946.86

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Solution

The fourth proportional to 40,653.79, 61,006.71 and 21,946.86 is: 32,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,653.79 : 61,006.71 = 21,946.86 : x
  2. Step 2: Convert to fraction form
    40,653.79/61,006.71 = 21,946.86/x
  3. Step 3: Cross multiply
    40,653.79x = 61,006.71 × 21,946.86
  4. Step 4: Simplify right side
    40,653.79x = 1,338,905,418.40
  5. Step 5: Solve for x
    x = 1,338,905,418.40/40,653.79
  6. Step 6: Final answer
    x = 32,934.33

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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.