Home / 35,421.36-48,880.20-21,265.84

Finding the Fourth Proportional to 35,421.36, 48,880.20 and 21,265.84

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Solution

The fourth proportional to 35,421.36, 48,880.20 and 21,265.84 is: 29,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.36 : 48,880.20 = 21,265.84 : x
  2. Step 2: Convert to fraction form
    35,421.36/48,880.20 = 21,265.84/x
  3. Step 3: Cross multiply
    35,421.36x = 48,880.20 × 21,265.84
  4. Step 4: Simplify right side
    35,421.36x = 1,039,478,512.37
  5. Step 5: Solve for x
    x = 1,039,478,512.37/35,421.36
  6. Step 6: Final answer
    x = 29,346.09

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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.