Home / 57,439.49-86,159.27-17,999.67

Finding the Fourth Proportional to 57,439.49, 86,159.27 and 17,999.67

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Solution

The fourth proportional to 57,439.49, 86,159.27 and 17,999.67 is: 26,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,439.49 : 86,159.27 = 17,999.67 : x
  2. Step 2: Convert to fraction form
    57,439.49/86,159.27 = 17,999.67/x
  3. Step 3: Cross multiply
    57,439.49x = 86,159.27 × 17,999.67
  4. Step 4: Simplify right side
    57,439.49x = 1,550,838,472.44
  5. Step 5: Solve for x
    x = 1,550,838,472.44/57,439.49
  6. Step 6: Final answer
    x = 26,999.52

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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.