Home / 43,779.47-65,662.27-14,190.39

Finding the Fourth Proportional to 43,779.47, 65,662.27 and 14,190.39

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Solution

The fourth proportional to 43,779.47, 65,662.27 and 14,190.39 is: 21,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,779.47 : 65,662.27 = 14,190.39 : x
  2. Step 2: Convert to fraction form
    43,779.47/65,662.27 = 14,190.39/x
  3. Step 3: Cross multiply
    43,779.47x = 65,662.27 × 14,190.39
  4. Step 4: Simplify right side
    43,779.47x = 931,773,184.11
  5. Step 5: Solve for x
    x = 931,773,184.11/43,779.47
  6. Step 6: Final answer
    x = 21,283.34

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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.