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Finding the Fourth Proportional to 43,459.00, 65,078.24 and 36,420.50

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Solution

The fourth proportional to 43,459.00, 65,078.24 and 36,420.50 is: 54,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459.00 : 65,078.24 = 36,420.50 : x
  2. Step 2: Convert to fraction form
    43,459.00/65,078.24 = 36,420.50/x
  3. Step 3: Cross multiply
    43,459.00x = 65,078.24 × 36,420.50
  4. Step 4: Simplify right side
    43,459.00x = 2,370,182,020.51
  5. Step 5: Solve for x
    x = 2,370,182,020.51/43,459.00
  6. Step 6: Final answer
    x = 54,538.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.