Home / 31,507.84-43,479.20-17,360.32

Finding the Fourth Proportional to 31,507.84, 43,479.20 and 17,360.32

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Solution

The fourth proportional to 31,507.84, 43,479.20 and 17,360.32 is: 23,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.84 : 43,479.20 = 17,360.32 : x
  2. Step 2: Convert to fraction form
    31,507.84/43,479.20 = 17,360.32/x
  3. Step 3: Cross multiply
    31,507.84x = 43,479.20 × 17,360.32
  4. Step 4: Simplify right side
    31,507.84x = 754,812,825.34
  5. Step 5: Solve for x
    x = 754,812,825.34/31,507.84
  6. Step 6: Final answer
    x = 23,956.35

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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.