Home / 55,340.45-83,010.96-13,787.45

Finding the Fourth Proportional to 55,340.45, 83,010.96 and 13,787.45

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Solution

The fourth proportional to 55,340.45, 83,010.96 and 13,787.45 is: 20,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,340.45 : 83,010.96 = 13,787.45 : x
  2. Step 2: Convert to fraction form
    55,340.45/83,010.96 = 13,787.45/x
  3. Step 3: Cross multiply
    55,340.45x = 83,010.96 × 13,787.45
  4. Step 4: Simplify right side
    55,340.45x = 1,144,509,460.45
  5. Step 5: Solve for x
    x = 1,144,509,460.45/55,340.45
  6. Step 6: Final answer
    x = 20,681.25

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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.