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Finding the Fourth Proportional to 52,751.86, 72,795.74 and 30,098.18

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Solution

The fourth proportional to 52,751.86, 72,795.74 and 30,098.18 is: 41,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,751.86 : 72,795.74 = 30,098.18 : x
  2. Step 2: Convert to fraction form
    52,751.86/72,795.74 = 30,098.18/x
  3. Step 3: Cross multiply
    52,751.86x = 72,795.74 × 30,098.18
  4. Step 4: Simplify right side
    52,751.86x = 2,191,019,285.75
  5. Step 5: Solve for x
    x = 2,191,019,285.75/52,751.86
  6. Step 6: Final answer
    x = 41,534.45

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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.