Home / 51,653.90-77,480.80-14,214.18

Finding the Fourth Proportional to 51,653.90, 77,480.80 and 14,214.18

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Solution

The fourth proportional to 51,653.90, 77,480.80 and 14,214.18 is: 21,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,653.90 : 77,480.80 = 14,214.18 : x
  2. Step 2: Convert to fraction form
    51,653.90/77,480.80 = 14,214.18/x
  3. Step 3: Cross multiply
    51,653.90x = 77,480.80 × 14,214.18
  4. Step 4: Simplify right side
    51,653.90x = 1,101,326,372.72
  5. Step 5: Solve for x
    x = 1,101,326,372.72/51,653.90
  6. Step 6: Final answer
    x = 21,321.26

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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.