Home / 46,878.12-70,328.46-19,176.20

Finding the Fourth Proportional to 46,878.12, 70,328.46 and 19,176.20

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Solution

The fourth proportional to 46,878.12, 70,328.46 and 19,176.20 is: 28,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,878.12 : 70,328.46 = 19,176.20 : x
  2. Step 2: Convert to fraction form
    46,878.12/70,328.46 = 19,176.20/x
  3. Step 3: Cross multiply
    46,878.12x = 70,328.46 × 19,176.20
  4. Step 4: Simplify right side
    46,878.12x = 1,348,632,614.65
  5. Step 5: Solve for x
    x = 1,348,632,614.65/46,878.12
  6. Step 6: Final answer
    x = 28,768.91

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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.