Home / 35,478.10-48,959.88-19,562.20

Finding the Fourth Proportional to 35,478.10, 48,959.88 and 19,562.20

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Solution

The fourth proportional to 35,478.10, 48,959.88 and 19,562.20 is: 26,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.10 : 48,959.88 = 19,562.20 : x
  2. Step 2: Convert to fraction form
    35,478.10/48,959.88 = 19,562.20/x
  3. Step 3: Cross multiply
    35,478.10x = 48,959.88 × 19,562.20
  4. Step 4: Simplify right side
    35,478.10x = 957,762,964.54
  5. Step 5: Solve for x
    x = 957,762,964.54/35,478.10
  6. Step 6: Final answer
    x = 26,995.89

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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.