Home / 35,231.80-48,624.90-21,807.40

Finding the Fourth Proportional to 35,231.80, 48,624.90 and 21,807.40

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Solution

The fourth proportional to 35,231.80, 48,624.90 and 21,807.40 is: 30,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,231.80 : 48,624.90 = 21,807.40 : x
  2. Step 2: Convert to fraction form
    35,231.80/48,624.90 = 21,807.40/x
  3. Step 3: Cross multiply
    35,231.80x = 48,624.90 × 21,807.40
  4. Step 4: Simplify right side
    35,231.80x = 1,060,382,644.26
  5. Step 5: Solve for x
    x = 1,060,382,644.26/35,231.80
  6. Step 6: Final answer
    x = 30,097.32

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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.