Home / 35,349.77-53,021.90-20,549.25

Finding the Fourth Proportional to 35,349.77, 53,021.90 and 20,549.25

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Solution

The fourth proportional to 35,349.77, 53,021.90 and 20,549.25 is: 30,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349.77 : 53,021.90 = 20,549.25 : x
  2. Step 2: Convert to fraction form
    35,349.77/53,021.90 = 20,549.25/x
  3. Step 3: Cross multiply
    35,349.77x = 53,021.90 × 20,549.25
  4. Step 4: Simplify right side
    35,349.77x = 1,089,559,989.84
  5. Step 5: Solve for x
    x = 1,089,559,989.84/35,349.77
  6. Step 6: Final answer
    x = 30,822.27

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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.