Home / 74,862.53-112,276.63-21,554.40

Finding the Fourth Proportional to 74,862.53, 112,276.63 and 21,554.40

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Solution

The fourth proportional to 74,862.53, 112,276.63 and 21,554.40 is: 32,326.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,862.53 : 112,276.63 = 21,554.40 : x
  2. Step 2: Convert to fraction form
    74,862.53/112,276.63 = 21,554.40/x
  3. Step 3: Cross multiply
    74,862.53x = 112,276.63 × 21,554.40
  4. Step 4: Simplify right side
    74,862.53x = 2,420,055,841.65
  5. Step 5: Solve for x
    x = 2,420,055,841.65/74,862.53
  6. Step 6: Final answer
    x = 32,326.66

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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.