Home / 74,258.61-111,424.70-34,818.76

Finding the Fourth Proportional to 74,258.61, 111,424.70 and 34,818.76

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Solution

The fourth proportional to 74,258.61, 111,424.70 and 34,818.76 is: 52,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,258.61 : 111,424.70 = 34,818.76 : x
  2. Step 2: Convert to fraction form
    74,258.61/111,424.70 = 34,818.76/x
  3. Step 3: Cross multiply
    74,258.61x = 111,424.70 × 34,818.76
  4. Step 4: Simplify right side
    74,258.61x = 3,879,669,887.37
  5. Step 5: Solve for x
    x = 3,879,669,887.37/74,258.61
  6. Step 6: Final answer
    x = 52,245.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.