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Finding the Fourth Proportional to 32,384.79, 48,544.37 and 15,730.79

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Solution

The fourth proportional to 32,384.79, 48,544.37 and 15,730.79 is: 23,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,384.79 : 48,544.37 = 15,730.79 : x
  2. Step 2: Convert to fraction form
    32,384.79/48,544.37 = 15,730.79/x
  3. Step 3: Cross multiply
    32,384.79x = 48,544.37 × 15,730.79
  4. Step 4: Simplify right side
    32,384.79x = 763,640,968.78
  5. Step 5: Solve for x
    x = 763,640,968.78/32,384.79
  6. Step 6: Final answer
    x = 23,580.24

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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.