Home / 45,051.09-67,575.72-13,461.24

Finding the Fourth Proportional to 45,051.09, 67,575.72 and 13,461.24

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Solution

The fourth proportional to 45,051.09, 67,575.72 and 13,461.24 is: 20,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,051.09 : 67,575.72 = 13,461.24 : x
  2. Step 2: Convert to fraction form
    45,051.09/67,575.72 = 13,461.24/x
  3. Step 3: Cross multiply
    45,051.09x = 67,575.72 × 13,461.24
  4. Step 4: Simplify right side
    45,051.09x = 909,652,833.15
  5. Step 5: Solve for x
    x = 909,652,833.15/45,051.09
  6. Step 6: Final answer
    x = 20,191.58

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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.