Home / 52,542.99-72,509.09-28,669.59

Finding the Fourth Proportional to 52,542.99, 72,509.09 and 28,669.59

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Solution

The fourth proportional to 52,542.99, 72,509.09 and 28,669.59 is: 39,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,542.99 : 72,509.09 = 28,669.59 : x
  2. Step 2: Convert to fraction form
    52,542.99/72,509.09 = 28,669.59/x
  3. Step 3: Cross multiply
    52,542.99x = 72,509.09 × 28,669.59
  4. Step 4: Simplify right side
    52,542.99x = 2,078,805,738.23
  5. Step 5: Solve for x
    x = 2,078,805,738.23/52,542.99
  6. Step 6: Final answer
    x = 39,563.90

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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.