Home / 34,720.68-52,051.78-28,130.52

Finding the Fourth Proportional to 34,720.68, 52,051.78 and 28,130.52

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Solution

The fourth proportional to 34,720.68, 52,051.78 and 28,130.52 is: 42,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.68 : 52,051.78 = 28,130.52 : x
  2. Step 2: Convert to fraction form
    34,720.68/52,051.78 = 28,130.52/x
  3. Step 3: Cross multiply
    34,720.68x = 52,051.78 × 28,130.52
  4. Step 4: Simplify right side
    34,720.68x = 1,464,243,638.33
  5. Step 5: Solve for x
    x = 1,464,243,638.33/34,720.68
  6. Step 6: Final answer
    x = 42,172.09

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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.