Home / 31,579.61-43,579.76-17,432.35

Finding the Fourth Proportional to 31,579.61, 43,579.76 and 17,432.35

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Solution

The fourth proportional to 31,579.61, 43,579.76 and 17,432.35 is: 24,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.61 : 43,579.76 = 17,432.35 : x
  2. Step 2: Convert to fraction form
    31,579.61/43,579.76 = 17,432.35/x
  3. Step 3: Cross multiply
    31,579.61x = 43,579.76 × 17,432.35
  4. Step 4: Simplify right side
    31,579.61x = 759,697,563.87
  5. Step 5: Solve for x
    x = 759,697,563.87/31,579.61
  6. Step 6: Final answer
    x = 24,056.59

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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.