Home / 53,643.12-74,046-33,240.84

Finding the Fourth Proportional to 53,643.12, 74,046 and 33,240.84

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Solution

The fourth proportional to 53,643.12, 74,046 and 33,240.84 is: 45,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,643.12 : 74,046 = 33,240.84 : x
  2. Step 2: Convert to fraction form
    53,643.12/74,046 = 33,240.84/x
  3. Step 3: Cross multiply
    53,643.12x = 74,046 × 33,240.84
  4. Step 4: Simplify right side
    53,643.12x = 2,461,351,238.64
  5. Step 5: Solve for x
    x = 2,461,351,238.64/53,643.12
  6. Step 6: Final answer
    x = 45,883.82

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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.