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Finding the Fourth Proportional to 58,071.79, 80,173.42 and 36,579.95

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Solution

The fourth proportional to 58,071.79, 80,173.42 and 36,579.95 is: 50,501.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,071.79 : 80,173.42 = 36,579.95 : x
  2. Step 2: Convert to fraction form
    58,071.79/80,173.42 = 36,579.95/x
  3. Step 3: Cross multiply
    58,071.79x = 80,173.42 × 36,579.95
  4. Step 4: Simplify right side
    58,071.79x = 2,932,739,858.40
  5. Step 5: Solve for x
    x = 2,932,739,858.40/58,071.79
  6. Step 6: Final answer
    x = 50,501.98

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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.