Home / 35,316.53-48,750.70-21,166.64

Finding the Fourth Proportional to 35,316.53, 48,750.70 and 21,166.64

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Solution

The fourth proportional to 35,316.53, 48,750.70 and 21,166.64 is: 29,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316.53 : 48,750.70 = 21,166.64 : x
  2. Step 2: Convert to fraction form
    35,316.53/48,750.70 = 21,166.64/x
  3. Step 3: Cross multiply
    35,316.53x = 48,750.70 × 21,166.64
  4. Step 4: Simplify right side
    35,316.53x = 1,031,888,410.81
  5. Step 5: Solve for x
    x = 1,031,888,410.81/35,316.53
  6. Step 6: Final answer
    x = 29,218.28

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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.