Home / 58,739.40-81,102.50-36,108.74

Finding the Fourth Proportional to 58,739.40, 81,102.50 and 36,108.74

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Solution

The fourth proportional to 58,739.40, 81,102.50 and 36,108.74 is: 49,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,739.40 : 81,102.50 = 36,108.74 : x
  2. Step 2: Convert to fraction form
    58,739.40/81,102.50 = 36,108.74/x
  3. Step 3: Cross multiply
    58,739.40x = 81,102.50 × 36,108.74
  4. Step 4: Simplify right side
    58,739.40x = 2,928,508,939.60
  5. Step 5: Solve for x
    x = 2,928,508,939.60/58,739.40
  6. Step 6: Final answer
    x = 49,855.95

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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.