Home / 35,587.60-49,109.40-21,061.20

Finding the Fourth Proportional to 35,587.60, 49,109.40 and 21,061.20

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Solution

The fourth proportional to 35,587.60, 49,109.40 and 21,061.20 is: 29,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,587.60 : 49,109.40 = 21,061.20 : x
  2. Step 2: Convert to fraction form
    35,587.60/49,109.40 = 21,061.20/x
  3. Step 3: Cross multiply
    35,587.60x = 49,109.40 × 21,061.20
  4. Step 4: Simplify right side
    35,587.60x = 1,034,302,816.30
  5. Step 5: Solve for x
    x = 1,034,302,816.30/35,587.60
  6. Step 6: Final answer
    x = 29,063.57

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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.