Home / 35,087.36-48,430.32-21,660.80

Finding the Fourth Proportional to 35,087.36, 48,430.32 and 21,660.80

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Solution

The fourth proportional to 35,087.36, 48,430.32 and 21,660.80 is: 29,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,087.36 : 48,430.32 = 21,660.80 : x
  2. Step 2: Convert to fraction form
    35,087.36/48,430.32 = 21,660.80/x
  3. Step 3: Cross multiply
    35,087.36x = 48,430.32 × 21,660.80
  4. Step 4: Simplify right side
    35,087.36x = 1,049,039,475.46
  5. Step 5: Solve for x
    x = 1,049,039,475.46/35,087.36
  6. Step 6: Final answer
    x = 29,897.93

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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.