Home / 30,903.72-46,357.43-8,718.99

Finding the Fourth Proportional to 30,903.72, 46,357.43 and 8,718.99

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Solution

The fourth proportional to 30,903.72, 46,357.43 and 8,718.99 is: 13,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.72 : 46,357.43 = 8,718.99 : x
  2. Step 2: Convert to fraction form
    30,903.72/46,357.43 = 8,718.99/x
  3. Step 3: Cross multiply
    30,903.72x = 46,357.43 × 8,718.99
  4. Step 4: Simplify right side
    30,903.72x = 404,189,968.60
  5. Step 5: Solve for x
    x = 404,189,968.60/30,903.72
  6. Step 6: Final answer
    x = 13,079.01

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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.