Home / 37,683.36-52,003-20,916.32

Finding the Fourth Proportional to 37,683.36, 52,003 and 20,916.32

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Solution

The fourth proportional to 37,683.36, 52,003 and 20,916.32 is: 28,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,683.36 : 52,003 = 20,916.32 : x
  2. Step 2: Convert to fraction form
    37,683.36/52,003 = 20,916.32/x
  3. Step 3: Cross multiply
    37,683.36x = 52,003 × 20,916.32
  4. Step 4: Simplify right side
    37,683.36x = 1,087,711,388.96
  5. Step 5: Solve for x
    x = 1,087,711,388.96/37,683.36
  6. Step 6: Final answer
    x = 28,864.50

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Half scale
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Double scale
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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.