Home / 52,261.68-72,122.46-28,389.72

Finding the Fourth Proportional to 52,261.68, 72,122.46 and 28,389.72

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Solution

The fourth proportional to 52,261.68, 72,122.46 and 28,389.72 is: 39,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.68 : 72,122.46 = 28,389.72 : x
  2. Step 2: Convert to fraction form
    52,261.68/72,122.46 = 28,389.72/x
  3. Step 3: Cross multiply
    52,261.68x = 72,122.46 × 28,389.72
  4. Step 4: Simplify right side
    52,261.68x = 2,047,536,445.11
  5. Step 5: Solve for x
    x = 2,047,536,445.11/52,261.68
  6. Step 6: Final answer
    x = 39,178.54

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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.