Home / 72,948.57-109,381.81-23,019.36

Finding the Fourth Proportional to 72,948.57, 109,381.81 and 23,019.36

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Solution

The fourth proportional to 72,948.57, 109,381.81 and 23,019.36 is: 34,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,948.57 : 109,381.81 = 23,019.36 : x
  2. Step 2: Convert to fraction form
    72,948.57/109,381.81 = 23,019.36/x
  3. Step 3: Cross multiply
    72,948.57x = 109,381.81 × 23,019.36
  4. Step 4: Simplify right side
    72,948.57x = 2,517,898,599.84
  5. Step 5: Solve for x
    x = 2,517,898,599.84/72,948.57
  6. Step 6: Final answer
    x = 34,516.08

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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.