Home / 32,779.72-45,232.98-18,629.80

Finding the Fourth Proportional to 32,779.72, 45,232.98 and 18,629.80

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Solution

The fourth proportional to 32,779.72, 45,232.98 and 18,629.80 is: 25,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,779.72 : 45,232.98 = 18,629.80 : x
  2. Step 2: Convert to fraction form
    32,779.72/45,232.98 = 18,629.80/x
  3. Step 3: Cross multiply
    32,779.72x = 45,232.98 × 18,629.80
  4. Step 4: Simplify right side
    32,779.72x = 842,681,370.80
  5. Step 5: Solve for x
    x = 842,681,370.80/32,779.72
  6. Step 6: Final answer
    x = 25,707.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.