Home / 38,807.64-58,201.74-12,505.32

Finding the Fourth Proportional to 38,807.64, 58,201.74 and 12,505.32

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Solution

The fourth proportional to 38,807.64, 58,201.74 and 12,505.32 is: 18,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,807.64 : 58,201.74 = 12,505.32 : x
  2. Step 2: Convert to fraction form
    38,807.64/58,201.74 = 12,505.32/x
  3. Step 3: Cross multiply
    38,807.64x = 58,201.74 × 12,505.32
  4. Step 4: Simplify right side
    38,807.64x = 727,831,383.26
  5. Step 5: Solve for x
    x = 727,831,383.26/38,807.64
  6. Step 6: Final answer
    x = 18,754.85

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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.