Home / 39,146.64-58,698.08-12,844.32

Finding the Fourth Proportional to 39,146.64, 58,698.08 and 12,844.32

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Solution

The fourth proportional to 39,146.64, 58,698.08 and 12,844.32 is: 19,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,146.64 : 58,698.08 = 12,844.32 : x
  2. Step 2: Convert to fraction form
    39,146.64/58,698.08 = 12,844.32/x
  3. Step 3: Cross multiply
    39,146.64x = 58,698.08 × 12,844.32
  4. Step 4: Simplify right side
    39,146.64x = 753,936,922.91
  5. Step 5: Solve for x
    x = 753,936,922.91/39,146.64
  6. Step 6: Final answer
    x = 19,259.30

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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.