Home / 51,277.96-70,763.60-28,307.80

Finding the Fourth Proportional to 51,277.96, 70,763.60 and 28,307.80

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Solution

The fourth proportional to 51,277.96, 70,763.60 and 28,307.80 is: 39,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,277.96 : 70,763.60 = 28,307.80 : x
  2. Step 2: Convert to fraction form
    51,277.96/70,763.60 = 28,307.80/x
  3. Step 3: Cross multiply
    51,277.96x = 70,763.60 × 28,307.80
  4. Step 4: Simplify right side
    51,277.96x = 2,003,161,340.72
  5. Step 5: Solve for x
    x = 2,003,161,340.72/51,277.96
  6. Step 6: Final answer
    x = 39,064.77

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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.