Home / 51,258.58-70,736.85-28,902.58

Finding the Fourth Proportional to 51,258.58, 70,736.85 and 28,902.58

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Solution

The fourth proportional to 51,258.58, 70,736.85 and 28,902.58 is: 39,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.58 : 70,736.85 = 28,902.58 : x
  2. Step 2: Convert to fraction form
    51,258.58/70,736.85 = 28,902.58/x
  3. Step 3: Cross multiply
    51,258.58x = 70,736.85 × 28,902.58
  4. Step 4: Simplify right side
    51,258.58x = 2,044,477,466.07
  5. Step 5: Solve for x
    x = 2,044,477,466.07/51,258.58
  6. Step 6: Final answer
    x = 39,885.57

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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.