Home / 35,905.72-53,784.54-21,069.64

Finding the Fourth Proportional to 35,905.72, 53,784.54 and 21,069.64

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Solution

The fourth proportional to 35,905.72, 53,784.54 and 21,069.64 is: 31,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.72 : 53,784.54 = 21,069.64 : x
  2. Step 2: Convert to fraction form
    35,905.72/53,784.54 = 21,069.64/x
  3. Step 3: Cross multiply
    35,905.72x = 53,784.54 × 21,069.64
  4. Step 4: Simplify right side
    35,905.72x = 1,133,220,895.37
  5. Step 5: Solve for x
    x = 1,133,220,895.37/35,905.72
  6. Step 6: Final answer
    x = 31,561.01

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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.