Home / 43,372.32-65,058.47-13,790.15

Finding the Fourth Proportional to 43,372.32, 65,058.47 and 13,790.15

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Solution

The fourth proportional to 43,372.32, 65,058.47 and 13,790.15 is: 20,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,372.32 : 65,058.47 = 13,790.15 : x
  2. Step 2: Convert to fraction form
    43,372.32/65,058.47 = 13,790.15/x
  3. Step 3: Cross multiply
    43,372.32x = 65,058.47 × 13,790.15
  4. Step 4: Simplify right side
    43,372.32x = 897,166,060.07
  5. Step 5: Solve for x
    x = 897,166,060.07/43,372.32
  6. Step 6: Final answer
    x = 20,685.22

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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.