Home / 30,516.26-42,112.40-17,087.52

Finding the Fourth Proportional to 30,516.26, 42,112.40 and 17,087.52

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Solution

The fourth proportional to 30,516.26, 42,112.40 and 17,087.52 is: 23,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516.26 : 42,112.40 = 17,087.52 : x
  2. Step 2: Convert to fraction form
    30,516.26/42,112.40 = 17,087.52/x
  3. Step 3: Cross multiply
    30,516.26x = 42,112.40 × 17,087.52
  4. Step 4: Simplify right side
    30,516.26x = 719,596,391.81
  5. Step 5: Solve for x
    x = 719,596,391.81/30,516.26
  6. Step 6: Final answer
    x = 23,580.76

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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.