Home / 51,214.75-70,676.66-28,555.17

Finding the Fourth Proportional to 51,214.75, 70,676.66 and 28,555.17

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Solution

The fourth proportional to 51,214.75, 70,676.66 and 28,555.17 is: 39,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,214.75 : 70,676.66 = 28,555.17 : x
  2. Step 2: Convert to fraction form
    51,214.75/70,676.66 = 28,555.17/x
  3. Step 3: Cross multiply
    51,214.75x = 70,676.66 × 28,555.17
  4. Step 4: Simplify right side
    51,214.75x = 2,018,184,041.33
  5. Step 5: Solve for x
    x = 2,018,184,041.33/51,214.75
  6. Step 6: Final answer
    x = 39,406.30

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1.5x scale

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.