Home / 35,480.36-53,220.75-10,520.64

Finding the Fourth Proportional to 35,480.36, 53,220.75 and 10,520.64

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Solution

The fourth proportional to 35,480.36, 53,220.75 and 10,520.64 is: 15,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.36 : 53,220.75 = 10,520.64 : x
  2. Step 2: Convert to fraction form
    35,480.36/53,220.75 = 10,520.64/x
  3. Step 3: Cross multiply
    35,480.36x = 53,220.75 × 10,520.64
  4. Step 4: Simplify right side
    35,480.36x = 559,916,351.28
  5. Step 5: Solve for x
    x = 559,916,351.28/35,480.36
  6. Step 6: Final answer
    x = 15,781.02

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1.5x scale

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.