Home / 30,312.73-45,448.53-10,580.50

Finding the Fourth Proportional to 30,312.73, 45,448.53 and 10,580.50

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Solution

The fourth proportional to 30,312.73, 45,448.53 and 10,580.50 is: 15,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,312.73 : 45,448.53 = 10,580.50 : x
  2. Step 2: Convert to fraction form
    30,312.73/45,448.53 = 10,580.50/x
  3. Step 3: Cross multiply
    30,312.73x = 45,448.53 × 10,580.50
  4. Step 4: Simplify right side
    30,312.73x = 480,868,171.67
  5. Step 5: Solve for x
    x = 480,868,171.67/30,312.73
  6. Step 6: Final answer
    x = 15,863.57

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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.