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Finding the Fourth Proportional to 57,465.99, 86,232.74 and 25,877.48

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Solution

The fourth proportional to 57,465.99, 86,232.74 and 25,877.48 is: 38,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,465.99 : 86,232.74 = 25,877.48 : x
  2. Step 2: Convert to fraction form
    57,465.99/86,232.74 = 25,877.48/x
  3. Step 3: Cross multiply
    57,465.99x = 86,232.74 × 25,877.48
  4. Step 4: Simplify right side
    57,465.99x = 2,231,485,444.14
  5. Step 5: Solve for x
    x = 2,231,485,444.14/57,465.99
  6. Step 6: Final answer
    x = 38,831.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.