Home / 32,762.50-45,212.38-18,616.12

Finding the Fourth Proportional to 32,762.50, 45,212.38 and 18,616.12

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Solution

The fourth proportional to 32,762.50, 45,212.38 and 18,616.12 is: 25,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,762.50 : 45,212.38 = 18,616.12 : x
  2. Step 2: Convert to fraction form
    32,762.50/45,212.38 = 18,616.12/x
  3. Step 3: Cross multiply
    32,762.50x = 45,212.38 × 18,616.12
  4. Step 4: Simplify right side
    32,762.50x = 841,679,091.57
  5. Step 5: Solve for x
    x = 841,679,091.57/32,762.50
  6. Step 6: Final answer
    x = 25,690.32

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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.