Home / 35,109.84-48,445.64-21,683.28

Finding the Fourth Proportional to 35,109.84, 48,445.64 and 21,683.28

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Solution

The fourth proportional to 35,109.84, 48,445.64 and 21,683.28 is: 29,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,109.84 : 48,445.64 = 21,683.28 : x
  2. Step 2: Convert to fraction form
    35,109.84/48,445.64 = 21,683.28/x
  3. Step 3: Cross multiply
    35,109.84x = 48,445.64 × 21,683.28
  4. Step 4: Simplify right side
    35,109.84x = 1,050,460,376.90
  5. Step 5: Solve for x
    x = 1,050,460,376.90/35,109.84
  6. Step 6: Final answer
    x = 29,919.26

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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.