Home / 46,920.58-70,382.04-13,640.94

Finding the Fourth Proportional to 46,920.58, 70,382.04 and 13,640.94

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Solution

The fourth proportional to 46,920.58, 70,382.04 and 13,640.94 is: 20,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,920.58 : 70,382.04 = 13,640.94 : x
  2. Step 2: Convert to fraction form
    46,920.58/70,382.04 = 13,640.94/x
  3. Step 3: Cross multiply
    46,920.58x = 70,382.04 × 13,640.94
  4. Step 4: Simplify right side
    46,920.58x = 960,077,184.72
  5. Step 5: Solve for x
    x = 960,077,184.72/46,920.58
  6. Step 6: Final answer
    x = 20,461.75

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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.