Home / 52,512.78-72,466.02-28,639.92

Finding the Fourth Proportional to 52,512.78, 72,466.02 and 28,639.92

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Solution

The fourth proportional to 52,512.78, 72,466.02 and 28,639.92 is: 39,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,512.78 : 72,466.02 = 28,639.92 : x
  2. Step 2: Convert to fraction form
    52,512.78/72,466.02 = 28,639.92/x
  3. Step 3: Cross multiply
    52,512.78x = 72,466.02 × 28,639.92
  4. Step 4: Simplify right side
    52,512.78x = 2,075,421,015.52
  5. Step 5: Solve for x
    x = 2,075,421,015.52/52,512.78
  6. Step 6: Final answer
    x = 39,522.21

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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.