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Finding the Fourth Proportional to 58,725.79, 81,040.72 and 34,529.49

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Solution

The fourth proportional to 58,725.79, 81,040.72 and 34,529.49 is: 47,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,725.79 : 81,040.72 = 34,529.49 : x
  2. Step 2: Convert to fraction form
    58,725.79/81,040.72 = 34,529.49/x
  3. Step 3: Cross multiply
    58,725.79x = 81,040.72 × 34,529.49
  4. Step 4: Simplify right side
    58,725.79x = 2,798,294,709.25
  5. Step 5: Solve for x
    x = 2,798,294,709.25/58,725.79
  6. Step 6: Final answer
    x = 47,650.18

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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.