Home / 51,212.16-70,669.44-28,851.84

Finding the Fourth Proportional to 51,212.16, 70,669.44 and 28,851.84

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Solution

The fourth proportional to 51,212.16, 70,669.44 and 28,851.84 is: 39,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.16 : 70,669.44 = 28,851.84 : x
  2. Step 2: Convert to fraction form
    51,212.16/70,669.44 = 28,851.84/x
  3. Step 3: Cross multiply
    51,212.16x = 70,669.44 × 28,851.84
  4. Step 4: Simplify right side
    51,212.16x = 2,038,943,375.77
  5. Step 5: Solve for x
    x = 2,038,943,375.77/51,212.16
  6. Step 6: Final answer
    x = 39,813.66

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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.