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Finding the Fourth Proportional to 58,643.99, 80,924.63 and 33,151.57

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Solution

The fourth proportional to 58,643.99, 80,924.63 and 33,151.57 is: 45,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,643.99 : 80,924.63 = 33,151.57 : x
  2. Step 2: Convert to fraction form
    58,643.99/80,924.63 = 33,151.57/x
  3. Step 3: Cross multiply
    58,643.99x = 80,924.63 × 33,151.57
  4. Step 4: Simplify right side
    58,643.99x = 2,682,778,536.17
  5. Step 5: Solve for x
    x = 2,682,778,536.17/58,643.99
  6. Step 6: Final answer
    x = 45,746.86

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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.