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Finding the Fourth Proportional to 52,881.80, 72,956.76 and 33,762.30

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Solution

The fourth proportional to 52,881.80, 72,956.76 and 33,762.30 is: 46,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,881.80 : 72,956.76 = 33,762.30 : x
  2. Step 2: Convert to fraction form
    52,881.80/72,956.76 = 33,762.30/x
  3. Step 3: Cross multiply
    52,881.80x = 72,956.76 × 33,762.30
  4. Step 4: Simplify right side
    52,881.80x = 2,463,188,018.15
  5. Step 5: Solve for x
    x = 2,463,188,018.15/52,881.80
  6. Step 6: Final answer
    x = 46,579.13

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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.