Home / 52,436.64-72,357.12-31,211.76

Finding the Fourth Proportional to 52,436.64, 72,357.12 and 31,211.76

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Solution

The fourth proportional to 52,436.64, 72,357.12 and 31,211.76 is: 43,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,436.64 : 72,357.12 = 31,211.76 : x
  2. Step 2: Convert to fraction form
    52,436.64/72,357.12 = 31,211.76/x
  3. Step 3: Cross multiply
    52,436.64x = 72,357.12 × 31,211.76
  4. Step 4: Simplify right side
    52,436.64x = 2,258,393,063.73
  5. Step 5: Solve for x
    x = 2,258,393,063.73/52,436.64
  6. Step 6: Final answer
    x = 43,068.99

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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.