Home / 51,210.07-70,670.19-28,550.50

Finding the Fourth Proportional to 51,210.07, 70,670.19 and 28,550.50

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Solution

The fourth proportional to 51,210.07, 70,670.19 and 28,550.50 is: 39,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.07 : 70,670.19 = 28,550.50 : x
  2. Step 2: Convert to fraction form
    51,210.07/70,670.19 = 28,550.50/x
  3. Step 3: Cross multiply
    51,210.07x = 70,670.19 × 28,550.50
  4. Step 4: Simplify right side
    51,210.07x = 2,017,669,259.60
  5. Step 5: Solve for x
    x = 2,017,669,259.60/51,210.07
  6. Step 6: Final answer
    x = 39,399.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.