Home / 31,215.88-46,816.84-9,024.32

Finding the Fourth Proportional to 31,215.88, 46,816.84 and 9,024.32

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Solution

The fourth proportional to 31,215.88, 46,816.84 and 9,024.32 is: 13,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.88 : 46,816.84 = 9,024.32 : x
  2. Step 2: Convert to fraction form
    31,215.88/46,816.84 = 9,024.32/x
  3. Step 3: Cross multiply
    31,215.88x = 46,816.84 × 9,024.32
  4. Step 4: Simplify right side
    31,215.88x = 422,490,145.55
  5. Step 5: Solve for x
    x = 422,490,145.55/31,215.88
  6. Step 6: Final answer
    x = 13,534.46

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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.