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Finding the Fourth Proportional to 52,225.25, 72,070.94 and 29,869.25

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Solution

The fourth proportional to 52,225.25, 72,070.94 and 29,869.25 is: 41,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,225.25 : 72,070.94 = 29,869.25 : x
  2. Step 2: Convert to fraction form
    52,225.25/72,070.94 = 29,869.25/x
  3. Step 3: Cross multiply
    52,225.25x = 72,070.94 × 29,869.25
  4. Step 4: Simplify right side
    52,225.25x = 2,152,704,924.60
  5. Step 5: Solve for x
    x = 2,152,704,924.60/52,225.25
  6. Step 6: Final answer
    x = 41,219.62

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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.