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Finding the Fourth Proportional to 51,652.84, 77,479.13 and 29,153.32

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Solution

The fourth proportional to 51,652.84, 77,479.13 and 29,153.32 is: 43,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,652.84 : 77,479.13 = 29,153.32 : x
  2. Step 2: Convert to fraction form
    51,652.84/77,479.13 = 29,153.32/x
  3. Step 3: Cross multiply
    51,652.84x = 77,479.13 × 29,153.32
  4. Step 4: Simplify right side
    51,652.84x = 2,258,773,749.40
  5. Step 5: Solve for x
    x = 2,258,773,749.40/51,652.84
  6. Step 6: Final answer
    x = 43,729.90

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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.