Home / 32,811.36-45,265.47-20,065.10

Finding the Fourth Proportional to 32,811.36, 45,265.47 and 20,065.10

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Solution

The fourth proportional to 32,811.36, 45,265.47 and 20,065.10 is: 27,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811.36 : 45,265.47 = 20,065.10 : x
  2. Step 2: Convert to fraction form
    32,811.36/45,265.47 = 20,065.10/x
  3. Step 3: Cross multiply
    32,811.36x = 45,265.47 × 20,065.10
  4. Step 4: Simplify right side
    32,811.36x = 908,255,955.77
  5. Step 5: Solve for x
    x = 908,255,955.77/32,811.36
  6. Step 6: Final answer
    x = 27,681.14

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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.