Home / 52,277.02-72,143.35-28,405.24

Finding the Fourth Proportional to 52,277.02, 72,143.35 and 28,405.24

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Solution

The fourth proportional to 52,277.02, 72,143.35 and 28,405.24 is: 39,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,277.02 : 72,143.35 = 28,405.24 : x
  2. Step 2: Convert to fraction form
    52,277.02/72,143.35 = 28,405.24/x
  3. Step 3: Cross multiply
    52,277.02x = 72,143.35 × 28,405.24
  4. Step 4: Simplify right side
    52,277.02x = 2,049,248,919.78
  5. Step 5: Solve for x
    x = 2,049,248,919.78/52,277.02
  6. Step 6: Final answer
    x = 39,199.81

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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.