Home / 32,929.07-45,431.40-20,996.26

Finding the Fourth Proportional to 32,929.07, 45,431.40 and 20,996.26

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Solution

The fourth proportional to 32,929.07, 45,431.40 and 20,996.26 is: 28,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,929.07 : 45,431.40 = 20,996.26 : x
  2. Step 2: Convert to fraction form
    32,929.07/45,431.40 = 20,996.26/x
  3. Step 3: Cross multiply
    32,929.07x = 45,431.40 × 20,996.26
  4. Step 4: Simplify right side
    32,929.07x = 953,889,372.99
  5. Step 5: Solve for x
    x = 953,889,372.99/32,929.07
  6. Step 6: Final answer
    x = 28,968.00

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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.