Home / 58,343.18-87,513.74-18,900.38

Finding the Fourth Proportional to 58,343.18, 87,513.74 and 18,900.38

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Solution

The fourth proportional to 58,343.18, 87,513.74 and 18,900.38 is: 28,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,343.18 : 87,513.74 = 18,900.38 : x
  2. Step 2: Convert to fraction form
    58,343.18/87,513.74 = 18,900.38/x
  3. Step 3: Cross multiply
    58,343.18x = 87,513.74 × 18,900.38
  4. Step 4: Simplify right side
    58,343.18x = 1,654,042,941.22
  5. Step 5: Solve for x
    x = 1,654,042,941.22/58,343.18
  6. Step 6: Final answer
    x = 28,350.24

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1.5x scale

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.