Home / 52,512.18-72,466.04-28,638.80

Finding the Fourth Proportional to 52,512.18, 72,466.04 and 28,638.80

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Solution

The fourth proportional to 52,512.18, 72,466.04 and 28,638.80 is: 39,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,512.18 : 72,466.04 = 28,638.80 : x
  2. Step 2: Convert to fraction form
    52,512.18/72,466.04 = 28,638.80/x
  3. Step 3: Cross multiply
    52,512.18x = 72,466.04 × 28,638.80
  4. Step 4: Simplify right side
    52,512.18x = 2,075,339,920.83
  5. Step 5: Solve for x
    x = 2,075,339,920.83/52,512.18
  6. Step 6: Final answer
    x = 39,521.12

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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.