Home / 58,360.62-87,538.02-20,920.08

Finding the Fourth Proportional to 58,360.62, 87,538.02 and 20,920.08

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Solution

The fourth proportional to 58,360.62, 87,538.02 and 20,920.08 is: 31,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,360.62 : 87,538.02 = 20,920.08 : x
  2. Step 2: Convert to fraction form
    58,360.62/87,538.02 = 20,920.08/x
  3. Step 3: Cross multiply
    58,360.62x = 87,538.02 × 20,920.08
  4. Step 4: Simplify right side
    58,360.62x = 1,831,302,381.44
  5. Step 5: Solve for x
    x = 1,831,302,381.44/58,360.62
  6. Step 6: Final answer
    x = 31,379.08

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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.