Home / 40,277.32-60,328.38-19,457

Finding the Fourth Proportional to 40,277.32, 60,328.38 and 19,457

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Solution

The fourth proportional to 40,277.32, 60,328.38 and 19,457 is: 29,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.32 : 60,328.38 = 19,457 : x
  2. Step 2: Convert to fraction form
    40,277.32/60,328.38 = 19,457/x
  3. Step 3: Cross multiply
    40,277.32x = 60,328.38 × 19,457
  4. Step 4: Simplify right side
    40,277.32x = 1,173,809,289.66
  5. Step 5: Solve for x
    x = 1,173,809,289.66/40,277.32
  6. Step 6: Final answer
    x = 29,143.18

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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.