Home / 52,690.02-72,711.21-28,816.62

Finding the Fourth Proportional to 52,690.02, 72,711.21 and 28,816.62

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Solution

The fourth proportional to 52,690.02, 72,711.21 and 28,816.62 is: 39,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,690.02 : 72,711.21 = 28,816.62 : x
  2. Step 2: Convert to fraction form
    52,690.02/72,711.21 = 28,816.62/x
  3. Step 3: Cross multiply
    52,690.02x = 72,711.21 × 28,816.62
  4. Step 4: Simplify right side
    52,690.02x = 2,095,291,308.31
  5. Step 5: Solve for x
    x = 2,095,291,308.31/52,690.02
  6. Step 6: Final answer
    x = 39,766.38

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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.