Home / 35,905.15-49,549.08-20,798.65

Finding the Fourth Proportional to 35,905.15, 49,549.08 and 20,798.65

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Solution

The fourth proportional to 35,905.15, 49,549.08 and 20,798.65 is: 28,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.15 : 49,549.08 = 20,798.65 : x
  2. Step 2: Convert to fraction form
    35,905.15/49,549.08 = 20,798.65/x
  3. Step 3: Cross multiply
    35,905.15x = 49,549.08 × 20,798.65
  4. Step 4: Simplify right side
    35,905.15x = 1,030,553,972.74
  5. Step 5: Solve for x
    x = 1,030,553,972.74/35,905.15
  6. Step 6: Final answer
    x = 28,702.12

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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.