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Finding the Fourth Proportional to 35,907.62, 53,886.02 and 12,534.06

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Solution

The fourth proportional to 35,907.62, 53,886.02 and 12,534.06 is: 18,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.62 : 53,886.02 = 12,534.06 : x
  2. Step 2: Convert to fraction form
    35,907.62/53,886.02 = 12,534.06/x
  3. Step 3: Cross multiply
    35,907.62x = 53,886.02 × 12,534.06
  4. Step 4: Simplify right side
    35,907.62x = 675,410,607.84
  5. Step 5: Solve for x
    x = 675,410,607.84/35,907.62
  6. Step 6: Final answer
    x = 18,809.67

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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.