Home / 51,074.45-70,483.28-28,104.57

Finding the Fourth Proportional to 51,074.45, 70,483.28 and 28,104.57

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Solution

The fourth proportional to 51,074.45, 70,483.28 and 28,104.57 is: 38,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,074.45 : 70,483.28 = 28,104.57 : x
  2. Step 2: Convert to fraction form
    51,074.45/70,483.28 = 28,104.57/x
  3. Step 3: Cross multiply
    51,074.45x = 70,483.28 × 28,104.57
  4. Step 4: Simplify right side
    51,074.45x = 1,980,902,136.07
  5. Step 5: Solve for x
    x = 1,980,902,136.07/51,074.45
  6. Step 6: Final answer
    x = 38,784.60

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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.