Home / 52,513.78-72,467.40-28,640.92

Finding the Fourth Proportional to 52,513.78, 72,467.40 and 28,640.92

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Solution

The fourth proportional to 52,513.78, 72,467.40 and 28,640.92 is: 39,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,513.78 : 72,467.40 = 28,640.92 : x
  2. Step 2: Convert to fraction form
    52,513.78/72,467.40 = 28,640.92/x
  3. Step 3: Cross multiply
    52,513.78x = 72,467.40 × 28,640.92
  4. Step 4: Simplify right side
    52,513.78x = 2,075,533,006.01
  5. Step 5: Solve for x
    x = 2,075,533,006.01/52,513.78
  6. Step 6: Final answer
    x = 39,523.59

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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.