Home / 31,579.63-43,579.51-17,432.17

Finding the Fourth Proportional to 31,579.63, 43,579.51 and 17,432.17

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Solution

The fourth proportional to 31,579.63, 43,579.51 and 17,432.17 is: 24,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.63 : 43,579.51 = 17,432.17 : x
  2. Step 2: Convert to fraction form
    31,579.63/43,579.51 = 17,432.17/x
  3. Step 3: Cross multiply
    31,579.63x = 43,579.51 × 17,432.17
  4. Step 4: Simplify right side
    31,579.63x = 759,685,426.84
  5. Step 5: Solve for x
    x = 759,685,426.84/31,579.63
  6. Step 6: Final answer
    x = 24,056.19

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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.