Home / 32,818.88-45,288.48-18,670.40

Finding the Fourth Proportional to 32,818.88, 45,288.48 and 18,670.40

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Solution

The fourth proportional to 32,818.88, 45,288.48 and 18,670.40 is: 25,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,818.88 : 45,288.48 = 18,670.40 : x
  2. Step 2: Convert to fraction form
    32,818.88/45,288.48 = 18,670.40/x
  3. Step 3: Cross multiply
    32,818.88x = 45,288.48 × 18,670.40
  4. Step 4: Simplify right side
    32,818.88x = 845,554,036.99
  5. Step 5: Solve for x
    x = 845,554,036.99/32,818.88
  6. Step 6: Final answer
    x = 25,764.26

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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.