Home / 46,899.80-70,351.63-13,619.86

Finding the Fourth Proportional to 46,899.80, 70,351.63 and 13,619.86

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Solution

The fourth proportional to 46,899.80, 70,351.63 and 13,619.86 is: 20,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,899.80 : 70,351.63 = 13,619.86 : x
  2. Step 2: Convert to fraction form
    46,899.80/70,351.63 = 13,619.86/x
  3. Step 3: Cross multiply
    46,899.80x = 70,351.63 × 13,619.86
  4. Step 4: Simplify right side
    46,899.80x = 958,179,218.05
  5. Step 5: Solve for x
    x = 958,179,218.05/46,899.80
  6. Step 6: Final answer
    x = 20,430.35

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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.