Home / 45,866.12-68,798.57-12,586.19

Finding the Fourth Proportional to 45,866.12, 68,798.57 and 12,586.19

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Solution

The fourth proportional to 45,866.12, 68,798.57 and 12,586.19 is: 18,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,866.12 : 68,798.57 = 12,586.19 : x
  2. Step 2: Convert to fraction form
    45,866.12/68,798.57 = 12,586.19/x
  3. Step 3: Cross multiply
    45,866.12x = 68,798.57 × 12,586.19
  4. Step 4: Simplify right side
    45,866.12x = 865,911,466.82
  5. Step 5: Solve for x
    x = 865,911,466.82/45,866.12
  6. Step 6: Final answer
    x = 18,879.11

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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.