Home / 45,312.12-67,880.32-35,969.40

Finding the Fourth Proportional to 45,312.12, 67,880.32 and 35,969.40

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Solution

The fourth proportional to 45,312.12, 67,880.32 and 35,969.40 is: 53,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,312.12 : 67,880.32 = 35,969.40 : x
  2. Step 2: Convert to fraction form
    45,312.12/67,880.32 = 35,969.40/x
  3. Step 3: Cross multiply
    45,312.12x = 67,880.32 × 35,969.40
  4. Step 4: Simplify right side
    45,312.12x = 2,441,614,382.21
  5. Step 5: Solve for x
    x = 2,441,614,382.21/45,312.12
  6. Step 6: Final answer
    x = 53,884.36

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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.