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Finding the Fourth Proportional to 61,465.50, 92,220.12 and 30,322.62

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Solution

The fourth proportional to 61,465.50, 92,220.12 and 30,322.62 is: 45,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,465.50 : 92,220.12 = 30,322.62 : x
  2. Step 2: Convert to fraction form
    61,465.50/92,220.12 = 30,322.62/x
  3. Step 3: Cross multiply
    61,465.50x = 92,220.12 × 30,322.62
  4. Step 4: Simplify right side
    61,465.50x = 2,796,355,655.11
  5. Step 5: Solve for x
    x = 2,796,355,655.11/61,465.50
  6. Step 6: Final answer
    x = 45,494.72

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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.