Home / 45,292.56-67,938.84-14,130.24

Finding the Fourth Proportional to 45,292.56, 67,938.84 and 14,130.24

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Solution

The fourth proportional to 45,292.56, 67,938.84 and 14,130.24 is: 21,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,292.56 : 67,938.84 = 14,130.24 : x
  2. Step 2: Convert to fraction form
    45,292.56/67,938.84 = 14,130.24/x
  3. Step 3: Cross multiply
    45,292.56x = 67,938.84 × 14,130.24
  4. Step 4: Simplify right side
    45,292.56x = 959,992,114.52
  5. Step 5: Solve for x
    x = 959,992,114.52/45,292.56
  6. Step 6: Final answer
    x = 21,195.36

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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.