Home / 38,683.40-53,387.53-21,692.24

Finding the Fourth Proportional to 38,683.40, 53,387.53 and 21,692.24

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Solution

The fourth proportional to 38,683.40, 53,387.53 and 21,692.24 is: 29,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,683.40 : 53,387.53 = 21,692.24 : x
  2. Step 2: Convert to fraction form
    38,683.40/53,387.53 = 21,692.24/x
  3. Step 3: Cross multiply
    38,683.40x = 53,387.53 × 21,692.24
  4. Step 4: Simplify right side
    38,683.40x = 1,158,094,792.60
  5. Step 5: Solve for x
    x = 1,158,094,792.60/38,683.40
  6. Step 6: Final answer
    x = 29,937.77

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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.