Home / 30,516.90-45,546.56-28,523.98

Finding the Fourth Proportional to 30,516.90, 45,546.56 and 28,523.98

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Solution

The fourth proportional to 30,516.90, 45,546.56 and 28,523.98 is: 42,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516.90 : 45,546.56 = 28,523.98 : x
  2. Step 2: Convert to fraction form
    30,516.90/45,546.56 = 28,523.98/x
  3. Step 3: Cross multiply
    30,516.90x = 45,546.56 × 28,523.98
  4. Step 4: Simplify right side
    30,516.90x = 1,299,169,166.51
  5. Step 5: Solve for x
    x = 1,299,169,166.51/30,516.90
  6. Step 6: Final answer
    x = 42,572.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.