Home / 43,030.60-64,548.74-11,440.20

Finding the Fourth Proportional to 43,030.60, 64,548.74 and 11,440.20

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Solution

The fourth proportional to 43,030.60, 64,548.74 and 11,440.20 is: 17,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,030.60 : 64,548.74 = 11,440.20 : x
  2. Step 2: Convert to fraction form
    43,030.60/64,548.74 = 11,440.20/x
  3. Step 3: Cross multiply
    43,030.60x = 64,548.74 × 11,440.20
  4. Step 4: Simplify right side
    43,030.60x = 738,450,495.35
  5. Step 5: Solve for x
    x = 738,450,495.35/43,030.60
  6. Step 6: Final answer
    x = 17,161.06

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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.