Home / 45,509.28-68,173.81-21,460.66

Finding the Fourth Proportional to 45,509.28, 68,173.81 and 21,460.66

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Solution

The fourth proportional to 45,509.28, 68,173.81 and 21,460.66 is: 32,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,509.28 : 68,173.81 = 21,460.66 : x
  2. Step 2: Convert to fraction form
    45,509.28/68,173.81 = 21,460.66/x
  3. Step 3: Cross multiply
    45,509.28x = 68,173.81 × 21,460.66
  4. Step 4: Simplify right side
    45,509.28x = 1,463,054,957.31
  5. Step 5: Solve for x
    x = 1,463,054,957.31/45,509.28
  6. Step 6: Final answer
    x = 32,148.50

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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.