Home / 35,744.72-49,329.95-20,640.15

Finding the Fourth Proportional to 35,744.72, 49,329.95 and 20,640.15

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Solution

The fourth proportional to 35,744.72, 49,329.95 and 20,640.15 is: 28,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,744.72 : 49,329.95 = 20,640.15 : x
  2. Step 2: Convert to fraction form
    35,744.72/49,329.95 = 20,640.15/x
  3. Step 3: Cross multiply
    35,744.72x = 49,329.95 × 20,640.15
  4. Step 4: Simplify right side
    35,744.72x = 1,018,177,464.29
  5. Step 5: Solve for x
    x = 1,018,177,464.29/35,744.72
  6. Step 6: Final answer
    x = 28,484.70

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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.