Home / 51,212.40-70,673.46-28,552.80

Finding the Fourth Proportional to 51,212.40, 70,673.46 and 28,552.80

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Solution

The fourth proportional to 51,212.40, 70,673.46 and 28,552.80 is: 39,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.40 : 70,673.46 = 28,552.80 : x
  2. Step 2: Convert to fraction form
    51,212.40/70,673.46 = 28,552.80/x
  3. Step 3: Cross multiply
    51,212.40x = 70,673.46 × 28,552.80
  4. Step 4: Simplify right side
    51,212.40x = 2,017,925,168.69
  5. Step 5: Solve for x
    x = 2,017,925,168.69/51,212.40
  6. Step 6: Final answer
    x = 39,403.06

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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.