Home / 32,829.00-45,303.40-20,081.25

Finding the Fourth Proportional to 32,829.00, 45,303.40 and 20,081.25

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Solution

The fourth proportional to 32,829.00, 45,303.40 and 20,081.25 is: 27,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,829.00 : 45,303.40 = 20,081.25 : x
  2. Step 2: Convert to fraction form
    32,829.00/45,303.40 = 20,081.25/x
  3. Step 3: Cross multiply
    32,829.00x = 45,303.40 × 20,081.25
  4. Step 4: Simplify right side
    32,829.00x = 909,748,735.23
  5. Step 5: Solve for x
    x = 909,748,735.23/32,829.00
  6. Step 6: Final answer
    x = 27,711.74

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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.