Home / 43,214.87-64,779.24-18,261.20

Finding the Fourth Proportional to 43,214.87, 64,779.24 and 18,261.20

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Solution

The fourth proportional to 43,214.87, 64,779.24 and 18,261.20 is: 27,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.87 : 64,779.24 = 18,261.20 : x
  2. Step 2: Convert to fraction form
    43,214.87/64,779.24 = 18,261.20/x
  3. Step 3: Cross multiply
    43,214.87x = 64,779.24 × 18,261.20
  4. Step 4: Simplify right side
    43,214.87x = 1,182,946,657.49
  5. Step 5: Solve for x
    x = 1,182,946,657.49/43,214.87
  6. Step 6: Final answer
    x = 27,373.60

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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.