Home / 35,418.12-53,133.66-14,643.24

Finding the Fourth Proportional to 35,418.12, 53,133.66 and 14,643.24

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Solution

The fourth proportional to 35,418.12, 53,133.66 and 14,643.24 is: 21,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.12 : 53,133.66 = 14,643.24 : x
  2. Step 2: Convert to fraction form
    35,418.12/53,133.66 = 14,643.24/x
  3. Step 3: Cross multiply
    35,418.12x = 53,133.66 × 14,643.24
  4. Step 4: Simplify right side
    35,418.12x = 778,048,935.46
  5. Step 5: Solve for x
    x = 778,048,935.46/35,418.12
  6. Step 6: Final answer
    x = 21,967.54

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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.