Home / 43,225.54-64,721.40-22,405.30

Finding the Fourth Proportional to 43,225.54, 64,721.40 and 22,405.30

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Solution

The fourth proportional to 43,225.54, 64,721.40 and 22,405.30 is: 33,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,225.54 : 64,721.40 = 22,405.30 : x
  2. Step 2: Convert to fraction form
    43,225.54/64,721.40 = 22,405.30/x
  3. Step 3: Cross multiply
    43,225.54x = 64,721.40 × 22,405.30
  4. Step 4: Simplify right side
    43,225.54x = 1,450,102,383.42
  5. Step 5: Solve for x
    x = 1,450,102,383.42/43,225.54
  6. Step 6: Final answer
    x = 33,547.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.