Home / 38,972.83-53,746.64-25,539.21

Finding the Fourth Proportional to 38,972.83, 53,746.64 and 25,539.21

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Solution

The fourth proportional to 38,972.83, 53,746.64 and 25,539.21 is: 35,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.83 : 53,746.64 = 25,539.21 : x
  2. Step 2: Convert to fraction form
    38,972.83/53,746.64 = 25,539.21/x
  3. Step 3: Cross multiply
    38,972.83x = 53,746.64 × 25,539.21
  4. Step 4: Simplify right side
    38,972.83x = 1,372,646,329.33
  5. Step 5: Solve for x
    x = 1,372,646,329.33/38,972.83
  6. Step 6: Final answer
    x = 35,220.60

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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.