Home / 52,438.74-78,659.48-12,995.28

Finding the Fourth Proportional to 52,438.74, 78,659.48 and 12,995.28

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Solution

The fourth proportional to 52,438.74, 78,659.48 and 12,995.28 is: 19,493.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,438.74 : 78,659.48 = 12,995.28 : x
  2. Step 2: Convert to fraction form
    52,438.74/78,659.48 = 12,995.28/x
  3. Step 3: Cross multiply
    52,438.74x = 78,659.48 × 12,995.28
  4. Step 4: Simplify right side
    52,438.74x = 1,022,201,902.28
  5. Step 5: Solve for x
    x = 1,022,201,902.28/52,438.74
  6. Step 6: Final answer
    x = 19,493.26

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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.