Home / 30,099.47-41,537.58-18,160.50

Finding the Fourth Proportional to 30,099.47, 41,537.58 and 18,160.50

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Solution

The fourth proportional to 30,099.47, 41,537.58 and 18,160.50 is: 25,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,099.47 : 41,537.58 = 18,160.50 : x
  2. Step 2: Convert to fraction form
    30,099.47/41,537.58 = 18,160.50/x
  3. Step 3: Cross multiply
    30,099.47x = 41,537.58 × 18,160.50
  4. Step 4: Simplify right side
    30,099.47x = 754,343,221.59
  5. Step 5: Solve for x
    x = 754,343,221.59/30,099.47
  6. Step 6: Final answer
    x = 25,061.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.