Home / 52,512.15-72,467.37-28,638.60

Finding the Fourth Proportional to 52,512.15, 72,467.37 and 28,638.60

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Solution

The fourth proportional to 52,512.15, 72,467.37 and 28,638.60 is: 39,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,512.15 : 72,467.37 = 28,638.60 : x
  2. Step 2: Convert to fraction form
    52,512.15/72,467.37 = 28,638.60/x
  3. Step 3: Cross multiply
    52,512.15x = 72,467.37 × 28,638.60
  4. Step 4: Simplify right side
    52,512.15x = 2,075,364,022.48
  5. Step 5: Solve for x
    x = 2,075,364,022.48/52,512.15
  6. Step 6: Final answer
    x = 39,521.60

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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.