Home / 48,315.96-72,408.60-21,644.28

Finding the Fourth Proportional to 48,315.96, 72,408.60 and 21,644.28

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Solution

The fourth proportional to 48,315.96, 72,408.60 and 21,644.28 is: 32,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,315.96 : 72,408.60 = 21,644.28 : x
  2. Step 2: Convert to fraction form
    48,315.96/72,408.60 = 21,644.28/x
  3. Step 3: Cross multiply
    48,315.96x = 72,408.60 × 21,644.28
  4. Step 4: Simplify right side
    48,315.96x = 1,567,232,012.81
  5. Step 5: Solve for x
    x = 1,567,232,012.81/48,315.96
  6. Step 6: Final answer
    x = 32,437.15

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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.