Home / 30,924.59-46,316.79-19,679.90

Finding the Fourth Proportional to 30,924.59, 46,316.79 and 19,679.90

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Solution

The fourth proportional to 30,924.59, 46,316.79 and 19,679.90 is: 29,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.59 : 46,316.79 = 19,679.90 : x
  2. Step 2: Convert to fraction form
    30,924.59/46,316.79 = 19,679.90/x
  3. Step 3: Cross multiply
    30,924.59x = 46,316.79 × 19,679.90
  4. Step 4: Simplify right side
    30,924.59x = 911,509,563.94
  5. Step 5: Solve for x
    x = 911,509,563.94/30,924.59
  6. Step 6: Final answer
    x = 29,475.24

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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.