Home / 30,943.28-46,309.80-19,104.60

Finding the Fourth Proportional to 30,943.28, 46,309.80 and 19,104.60

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Solution

The fourth proportional to 30,943.28, 46,309.80 and 19,104.60 is: 28,592.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.28 : 46,309.80 = 19,104.60 : x
  2. Step 2: Convert to fraction form
    30,943.28/46,309.80 = 19,104.60/x
  3. Step 3: Cross multiply
    30,943.28x = 46,309.80 × 19,104.60
  4. Step 4: Simplify right side
    30,943.28x = 884,730,205.08
  5. Step 5: Solve for x
    x = 884,730,205.08/30,943.28
  6. Step 6: Final answer
    x = 28,592.00

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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.