Home / 35,316.81-48,738.51-21,166.92

Finding the Fourth Proportional to 35,316.81, 48,738.51 and 21,166.92

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Solution

The fourth proportional to 35,316.81, 48,738.51 and 21,166.92 is: 29,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316.81 : 48,738.51 = 21,166.92 : x
  2. Step 2: Convert to fraction form
    35,316.81/48,738.51 = 21,166.92/x
  3. Step 3: Cross multiply
    35,316.81x = 48,738.51 × 21,166.92
  4. Step 4: Simplify right side
    35,316.81x = 1,031,644,142.09
  5. Step 5: Solve for x
    x = 1,031,644,142.09/35,316.81
  6. Step 6: Final answer
    x = 29,211.14

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1.5x scale

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.