Home / 38,485.45-53,146.56-36,388.77

Finding the Fourth Proportional to 38,485.45, 53,146.56 and 36,388.77

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Solution

The fourth proportional to 38,485.45, 53,146.56 and 36,388.77 is: 50,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,485.45 : 53,146.56 = 36,388.77 : x
  2. Step 2: Convert to fraction form
    38,485.45/53,146.56 = 36,388.77/x
  3. Step 3: Cross multiply
    38,485.45x = 53,146.56 × 36,388.77
  4. Step 4: Simplify right side
    38,485.45x = 1,933,937,948.13
  5. Step 5: Solve for x
    x = 1,933,937,948.13/38,485.45
  6. Step 6: Final answer
    x = 50,251.15

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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.