Home / 45,884.81-68,812.63-31,188.17

Finding the Fourth Proportional to 45,884.81, 68,812.63 and 31,188.17

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Solution

The fourth proportional to 45,884.81, 68,812.63 and 31,188.17 is: 46,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,884.81 : 68,812.63 = 31,188.17 : x
  2. Step 2: Convert to fraction form
    45,884.81/68,812.63 = 31,188.17/x
  3. Step 3: Cross multiply
    45,884.81x = 68,812.63 × 31,188.17
  4. Step 4: Simplify right side
    45,884.81x = 2,146,139,797.29
  5. Step 5: Solve for x
    x = 2,146,139,797.29/45,884.81
  6. Step 6: Final answer
    x = 46,772.34

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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.