Home / 51,805.77-71,489.35-30,580.93

Finding the Fourth Proportional to 51,805.77, 71,489.35 and 30,580.93

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Solution

The fourth proportional to 51,805.77, 71,489.35 and 30,580.93 is: 42,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.77 : 71,489.35 = 30,580.93 : x
  2. Step 2: Convert to fraction form
    51,805.77/71,489.35 = 30,580.93/x
  3. Step 3: Cross multiply
    51,805.77x = 71,489.35 × 30,580.93
  4. Step 4: Simplify right side
    51,805.77x = 2,186,210,808.10
  5. Step 5: Solve for x
    x = 2,186,210,808.10/51,805.77
  6. Step 6: Final answer
    x = 42,200.14

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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.