Home / 51,258.81-70,740.30-28,597.85

Finding the Fourth Proportional to 51,258.81, 70,740.30 and 28,597.85

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Solution

The fourth proportional to 51,258.81, 70,740.30 and 28,597.85 is: 39,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.81 : 70,740.30 = 28,597.85 : x
  2. Step 2: Convert to fraction form
    51,258.81/70,740.30 = 28,597.85/x
  3. Step 3: Cross multiply
    51,258.81x = 70,740.30 × 28,597.85
  4. Step 4: Simplify right side
    51,258.81x = 2,023,020,488.36
  5. Step 5: Solve for x
    x = 2,023,020,488.36/51,258.81
  6. Step 6: Final answer
    x = 39,466.79

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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.