Home / 52,297.56-78,446.28-21,132.72

Finding the Fourth Proportional to 52,297.56, 78,446.28 and 21,132.72

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Solution

The fourth proportional to 52,297.56, 78,446.28 and 21,132.72 is: 31,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,297.56 : 78,446.28 = 21,132.72 : x
  2. Step 2: Convert to fraction form
    52,297.56/78,446.28 = 21,132.72/x
  3. Step 3: Cross multiply
    52,297.56x = 78,446.28 × 21,132.72
  4. Step 4: Simplify right side
    52,297.56x = 1,657,783,270.28
  5. Step 5: Solve for x
    x = 1,657,783,270.28/52,297.56
  6. Step 6: Final answer
    x = 31,699.06

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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.