Home / 32,779.88-45,240.06-18,634.84

Finding the Fourth Proportional to 32,779.88, 45,240.06 and 18,634.84

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Solution

The fourth proportional to 32,779.88, 45,240.06 and 18,634.84 is: 25,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,779.88 : 45,240.06 = 18,634.84 : x
  2. Step 2: Convert to fraction form
    32,779.88/45,240.06 = 18,634.84/x
  3. Step 3: Cross multiply
    32,779.88x = 45,240.06 × 18,634.84
  4. Step 4: Simplify right side
    32,779.88x = 843,041,279.69
  5. Step 5: Solve for x
    x = 843,041,279.69/32,779.88
  6. Step 6: Final answer
    x = 25,718.25

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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.