Home / 40,225.96-60,342-10,643.02

Finding the Fourth Proportional to 40,225.96, 60,342 and 10,643.02

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Solution

The fourth proportional to 40,225.96, 60,342 and 10,643.02 is: 15,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.96 : 60,342 = 10,643.02 : x
  2. Step 2: Convert to fraction form
    40,225.96/60,342 = 10,643.02/x
  3. Step 3: Cross multiply
    40,225.96x = 60,342 × 10,643.02
  4. Step 4: Simplify right side
    40,225.96x = 642,221,112.84
  5. Step 5: Solve for x
    x = 642,221,112.84/40,225.96
  6. Step 6: Final answer
    x = 15,965.34

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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.