Home / 35,772.35-49,368.08-20,665.65

Finding the Fourth Proportional to 35,772.35, 49,368.08 and 20,665.65

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Solution

The fourth proportional to 35,772.35, 49,368.08 and 20,665.65 is: 28,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.35 : 49,368.08 = 20,665.65 : x
  2. Step 2: Convert to fraction form
    35,772.35/49,368.08 = 20,665.65/x
  3. Step 3: Cross multiply
    35,772.35x = 49,368.08 × 20,665.65
  4. Step 4: Simplify right side
    35,772.35x = 1,020,223,359.12
  5. Step 5: Solve for x
    x = 1,020,223,359.12/35,772.35
  6. Step 6: Final answer
    x = 28,519.89

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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.