Home / 35,055.12-52,554.76-20,247.28

Finding the Fourth Proportional to 35,055.12, 52,554.76 and 20,247.28

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Solution

The fourth proportional to 35,055.12, 52,554.76 and 20,247.28 is: 30,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,055.12 : 52,554.76 = 20,247.28 : x
  2. Step 2: Convert to fraction form
    35,055.12/52,554.76 = 20,247.28/x
  3. Step 3: Cross multiply
    35,055.12x = 52,554.76 × 20,247.28
  4. Step 4: Simplify right side
    35,055.12x = 1,064,090,941.05
  5. Step 5: Solve for x
    x = 1,064,090,941.05/35,055.12
  6. Step 6: Final answer
    x = 30,354.79

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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.