Home / 43,058.16-64,586.52-13,475.70

Finding the Fourth Proportional to 43,058.16, 64,586.52 and 13,475.70

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Solution

The fourth proportional to 43,058.16, 64,586.52 and 13,475.70 is: 20,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,058.16 : 64,586.52 = 13,475.70 : x
  2. Step 2: Convert to fraction form
    43,058.16/64,586.52 = 13,475.70/x
  3. Step 3: Cross multiply
    43,058.16x = 64,586.52 × 13,475.70
  4. Step 4: Simplify right side
    43,058.16x = 870,348,567.56
  5. Step 5: Solve for x
    x = 870,348,567.56/43,058.16
  6. Step 6: Final answer
    x = 20,213.32

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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.