Home / 35,783.38-49,385.60-21,636.19

Finding the Fourth Proportional to 35,783.38, 49,385.60 and 21,636.19

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Solution

The fourth proportional to 35,783.38, 49,385.60 and 21,636.19 is: 29,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,783.38 : 49,385.60 = 21,636.19 : x
  2. Step 2: Convert to fraction form
    35,783.38/49,385.60 = 21,636.19/x
  3. Step 3: Cross multiply
    35,783.38x = 49,385.60 × 21,636.19
  4. Step 4: Simplify right side
    35,783.38x = 1,068,516,224.86
  5. Step 5: Solve for x
    x = 1,068,516,224.86/35,783.38
  6. Step 6: Final answer
    x = 29,860.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.