Home / 39,752.99-54,801.32-27,779.16

Finding the Fourth Proportional to 39,752.99, 54,801.32 and 27,779.16

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Solution

The fourth proportional to 39,752.99, 54,801.32 and 27,779.16 is: 38,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752.99 : 54,801.32 = 27,779.16 : x
  2. Step 2: Convert to fraction form
    39,752.99/54,801.32 = 27,779.16/x
  3. Step 3: Cross multiply
    39,752.99x = 54,801.32 × 27,779.16
  4. Step 4: Simplify right side
    39,752.99x = 1,522,334,497.60
  5. Step 5: Solve for x
    x = 1,522,334,497.60/39,752.99
  6. Step 6: Final answer
    x = 38,294.85

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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.