Home / 64,570.46-89,150.27-40,408.16

Finding the Fourth Proportional to 64,570.46, 89,150.27 and 40,408.16

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Solution

The fourth proportional to 64,570.46, 89,150.27 and 40,408.16 is: 55,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,570.46 : 89,150.27 = 40,408.16 : x
  2. Step 2: Convert to fraction form
    64,570.46/89,150.27 = 40,408.16/x
  3. Step 3: Cross multiply
    64,570.46x = 89,150.27 × 40,408.16
  4. Step 4: Simplify right side
    64,570.46x = 3,602,397,726.41
  5. Step 5: Solve for x
    x = 3,602,397,726.41/64,570.46
  6. Step 6: Final answer
    x = 55,790.19

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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.