Home / 45,637.84-68,452.08-12,356.56

Finding the Fourth Proportional to 45,637.84, 68,452.08 and 12,356.56

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Solution

The fourth proportional to 45,637.84, 68,452.08 and 12,356.56 is: 18,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,637.84 : 68,452.08 = 12,356.56 : x
  2. Step 2: Convert to fraction form
    45,637.84/68,452.08 = 12,356.56/x
  3. Step 3: Cross multiply
    45,637.84x = 68,452.08 × 12,356.56
  4. Step 4: Simplify right side
    45,637.84x = 845,832,233.64
  5. Step 5: Solve for x
    x = 845,832,233.64/45,637.84
  6. Step 6: Final answer
    x = 18,533.57

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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.