Home / 32,970.56-45,495.72-18,628.85

Finding the Fourth Proportional to 32,970.56, 45,495.72 and 18,628.85

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Solution

The fourth proportional to 32,970.56, 45,495.72 and 18,628.85 is: 25,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,970.56 : 45,495.72 = 18,628.85 : x
  2. Step 2: Convert to fraction form
    32,970.56/45,495.72 = 18,628.85/x
  3. Step 3: Cross multiply
    32,970.56x = 45,495.72 × 18,628.85
  4. Step 4: Simplify right side
    32,970.56x = 847,533,057.26
  5. Step 5: Solve for x
    x = 847,533,057.26/32,970.56
  6. Step 6: Final answer
    x = 25,705.76

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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.