Home / 52,255.41-72,111.27-28,381.58

Finding the Fourth Proportional to 52,255.41, 72,111.27 and 28,381.58

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Solution

The fourth proportional to 52,255.41, 72,111.27 and 28,381.58 is: 39,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,255.41 : 72,111.27 = 28,381.58 : x
  2. Step 2: Convert to fraction form
    52,255.41/72,111.27 = 28,381.58/x
  3. Step 3: Cross multiply
    52,255.41x = 72,111.27 × 28,381.58
  4. Step 4: Simplify right side
    52,255.41x = 2,046,631,417.85
  5. Step 5: Solve for x
    x = 2,046,631,417.85/52,255.41
  6. Step 6: Final answer
    x = 39,165.92

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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.