Home / 31,586.74-43,588.86-17,439.28

Finding the Fourth Proportional to 31,586.74, 43,588.86 and 17,439.28

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Solution

The fourth proportional to 31,586.74, 43,588.86 and 17,439.28 is: 24,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.74 : 43,588.86 = 17,439.28 : x
  2. Step 2: Convert to fraction form
    31,586.74/43,588.86 = 17,439.28/x
  3. Step 3: Cross multiply
    31,586.74x = 43,588.86 × 17,439.28
  4. Step 4: Simplify right side
    31,586.74x = 760,158,334.42
  5. Step 5: Solve for x
    x = 760,158,334.42/31,586.74
  6. Step 6: Final answer
    x = 24,065.74

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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.