Home / 32,905.47-49,344.62-12,639.17

Finding the Fourth Proportional to 32,905.47, 49,344.62 and 12,639.17

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Solution

The fourth proportional to 32,905.47, 49,344.62 and 12,639.17 is: 18,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.47 : 49,344.62 = 12,639.17 : x
  2. Step 2: Convert to fraction form
    32,905.47/49,344.62 = 12,639.17/x
  3. Step 3: Cross multiply
    32,905.47x = 49,344.62 × 12,639.17
  4. Step 4: Simplify right side
    32,905.47x = 623,675,040.77
  5. Step 5: Solve for x
    x = 623,675,040.77/32,905.47
  6. Step 6: Final answer
    x = 18,953.54

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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.