Home / 35,508.02-49,002.52-20,405.42

Finding the Fourth Proportional to 35,508.02, 49,002.52 and 20,405.42

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Solution

The fourth proportional to 35,508.02, 49,002.52 and 20,405.42 is: 28,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,508.02 : 49,002.52 = 20,405.42 : x
  2. Step 2: Convert to fraction form
    35,508.02/49,002.52 = 20,405.42/x
  3. Step 3: Cross multiply
    35,508.02x = 49,002.52 × 20,405.42
  4. Step 4: Simplify right side
    35,508.02x = 999,916,927.65
  5. Step 5: Solve for x
    x = 999,916,927.65/35,508.02
  6. Step 6: Final answer
    x = 28,160.31

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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.