Home / 43,077.12-64,615.60-13,497.22

Finding the Fourth Proportional to 43,077.12, 64,615.60 and 13,497.22

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Solution

The fourth proportional to 43,077.12, 64,615.60 and 13,497.22 is: 20,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,077.12 : 64,615.60 = 13,497.22 : x
  2. Step 2: Convert to fraction form
    43,077.12/64,615.60 = 13,497.22/x
  3. Step 3: Cross multiply
    43,077.12x = 64,615.60 × 13,497.22
  4. Step 4: Simplify right side
    43,077.12x = 872,130,968.63
  5. Step 5: Solve for x
    x = 872,130,968.63/43,077.12
  6. Step 6: Final answer
    x = 20,245.80

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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.