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Finding the Fourth Proportional to 58,615.59, 80,887.64 and 33,465.09

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Solution

The fourth proportional to 58,615.59, 80,887.64 and 33,465.09 is: 46,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,615.59 : 80,887.64 = 33,465.09 : x
  2. Step 2: Convert to fraction form
    58,615.59/80,887.64 = 33,465.09/x
  3. Step 3: Cross multiply
    58,615.59x = 80,887.64 × 33,465.09
  4. Step 4: Simplify right side
    58,615.59x = 2,706,911,985.16
  5. Step 5: Solve for x
    x = 2,706,911,985.16/58,615.59
  6. Step 6: Final answer
    x = 46,180.75

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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.