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Finding the Fourth Proportional to 59,144, 81,632.58 and 39,004.52

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Solution

The fourth proportional to 59,144, 81,632.58 and 39,004.52 is: 53,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,144 : 81,632.58 = 39,004.52 : x
  2. Step 2: Convert to fraction form
    59,144/81,632.58 = 39,004.52/x
  3. Step 3: Cross multiply
    59,144x = 81,632.58 × 39,004.52
  4. Step 4: Simplify right side
    59,144x = 3,184,039,599.26
  5. Step 5: Solve for x
    x = 3,184,039,599.26/59,144
  6. Step 6: Final answer
    x = 53,835.38

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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.