Home / 45,569.49-68,356.31-13,977.24

Finding the Fourth Proportional to 45,569.49, 68,356.31 and 13,977.24

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Solution

The fourth proportional to 45,569.49, 68,356.31 and 13,977.24 is: 20,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,569.49 : 68,356.31 = 13,977.24 : x
  2. Step 2: Convert to fraction form
    45,569.49/68,356.31 = 13,977.24/x
  3. Step 3: Cross multiply
    45,569.49x = 68,356.31 × 13,977.24
  4. Step 4: Simplify right side
    45,569.49x = 955,432,480.50
  5. Step 5: Solve for x
    x = 955,432,480.50/45,569.49
  6. Step 6: Final answer
    x = 20,966.49

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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.