Home / 52,816.87-72,889.29-30,159.55

Finding the Fourth Proportional to 52,816.87, 72,889.29 and 30,159.55

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Solution

The fourth proportional to 52,816.87, 72,889.29 and 30,159.55 is: 41,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,816.87 : 72,889.29 = 30,159.55 : x
  2. Step 2: Convert to fraction form
    52,816.87/72,889.29 = 30,159.55/x
  3. Step 3: Cross multiply
    52,816.87x = 72,889.29 × 30,159.55
  4. Step 4: Simplify right side
    52,816.87x = 2,198,307,670.98
  5. Step 5: Solve for x
    x = 2,198,307,670.98/52,816.87
  6. Step 6: Final answer
    x = 41,621.32

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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.