Home / 58,186.45-87,293.40-18,742.08

Finding the Fourth Proportional to 58,186.45, 87,293.40 and 18,742.08

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Solution

The fourth proportional to 58,186.45, 87,293.40 and 18,742.08 is: 28,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,186.45 : 87,293.40 = 18,742.08 : x
  2. Step 2: Convert to fraction form
    58,186.45/87,293.40 = 18,742.08/x
  3. Step 3: Cross multiply
    58,186.45x = 87,293.40 × 18,742.08
  4. Step 4: Simplify right side
    58,186.45x = 1,636,060,143.34
  5. Step 5: Solve for x
    x = 1,636,060,143.34/58,186.45
  6. Step 6: Final answer
    x = 28,117.54

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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.