Home / 30,544.31-45,816.47-8,356.79

Finding the Fourth Proportional to 30,544.31, 45,816.47 and 8,356.79

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Solution

The fourth proportional to 30,544.31, 45,816.47 and 8,356.79 is: 12,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,544.31 : 45,816.47 = 8,356.79 : x
  2. Step 2: Convert to fraction form
    30,544.31/45,816.47 = 8,356.79/x
  3. Step 3: Cross multiply
    30,544.31x = 45,816.47 × 8,356.79
  4. Step 4: Simplify right side
    30,544.31x = 382,878,618.33
  5. Step 5: Solve for x
    x = 382,878,618.33/30,544.31
  6. Step 6: Final answer
    x = 12,535.19

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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.