Home / 40,455.30-60,643.76-15,476.11

Finding the Fourth Proportional to 40,455.30, 60,643.76 and 15,476.11

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Solution

The fourth proportional to 40,455.30, 60,643.76 and 15,476.11 is: 23,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.30 : 60,643.76 = 15,476.11 : x
  2. Step 2: Convert to fraction form
    40,455.30/60,643.76 = 15,476.11/x
  3. Step 3: Cross multiply
    40,455.30x = 60,643.76 × 15,476.11
  4. Step 4: Simplify right side
    40,455.30x = 938,529,461.88
  5. Step 5: Solve for x
    x = 938,529,461.88/40,455.30
  6. Step 6: Final answer
    x = 23,199.17

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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.