Home / 51,331.74-70,836.06-28,670.55

Finding the Fourth Proportional to 51,331.74, 70,836.06 and 28,670.55

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Solution

The fourth proportional to 51,331.74, 70,836.06 and 28,670.55 is: 39,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,331.74 : 70,836.06 = 28,670.55 : x
  2. Step 2: Convert to fraction form
    51,331.74/70,836.06 = 28,670.55/x
  3. Step 3: Cross multiply
    51,331.74x = 70,836.06 × 28,670.55
  4. Step 4: Simplify right side
    51,331.74x = 2,030,908,800.03
  5. Step 5: Solve for x
    x = 2,030,908,800.03/51,331.74
  6. Step 6: Final answer
    x = 39,564.39

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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.