Home / 48,018.10-72,005.55-21,709.30

Finding the Fourth Proportional to 48,018.10, 72,005.55 and 21,709.30

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Solution

The fourth proportional to 48,018.10, 72,005.55 and 21,709.30 is: 32,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,018.10 : 72,005.55 = 21,709.30 : x
  2. Step 2: Convert to fraction form
    48,018.10/72,005.55 = 21,709.30/x
  3. Step 3: Cross multiply
    48,018.10x = 72,005.55 × 21,709.30
  4. Step 4: Simplify right side
    48,018.10x = 1,563,190,086.62
  5. Step 5: Solve for x
    x = 1,563,190,086.62/48,018.10
  6. Step 6: Final answer
    x = 32,554.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.