Home / 52,679.20-72,698.16-31,460.32

Finding the Fourth Proportional to 52,679.20, 72,698.16 and 31,460.32

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Solution

The fourth proportional to 52,679.20, 72,698.16 and 31,460.32 is: 43,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,679.20 : 72,698.16 = 31,460.32 : x
  2. Step 2: Convert to fraction form
    52,679.20/72,698.16 = 31,460.32/x
  3. Step 3: Cross multiply
    52,679.20x = 72,698.16 × 31,460.32
  4. Step 4: Simplify right side
    52,679.20x = 2,287,107,377.01
  5. Step 5: Solve for x
    x = 2,287,107,377.01/52,679.20
  6. Step 6: Final answer
    x = 43,415.76

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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.