Home / 35,088.36-48,431.70-21,661.80

Finding the Fourth Proportional to 35,088.36, 48,431.70 and 21,661.80

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Solution

The fourth proportional to 35,088.36, 48,431.70 and 21,661.80 is: 29,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,088.36 : 48,431.70 = 21,661.80 : x
  2. Step 2: Convert to fraction form
    35,088.36/48,431.70 = 21,661.80/x
  3. Step 3: Cross multiply
    35,088.36x = 48,431.70 × 21,661.80
  4. Step 4: Simplify right side
    35,088.36x = 1,049,117,799.06
  5. Step 5: Solve for x
    x = 1,049,117,799.06/35,088.36
  6. Step 6: Final answer
    x = 29,899.31

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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.