Home / 30,880.18-46,316.94-8,694.28

Finding the Fourth Proportional to 30,880.18, 46,316.94 and 8,694.28

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Solution

The fourth proportional to 30,880.18, 46,316.94 and 8,694.28 is: 13,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.18 : 46,316.94 = 8,694.28 : x
  2. Step 2: Convert to fraction form
    30,880.18/46,316.94 = 8,694.28/x
  3. Step 3: Cross multiply
    30,880.18x = 46,316.94 × 8,694.28
  4. Step 4: Simplify right side
    30,880.18x = 402,692,445.10
  5. Step 5: Solve for x
    x = 402,692,445.10/30,880.18
  6. Step 6: Final answer
    x = 13,040.48

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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.