Home / 38,622.16-53,298.33-21,626.35

Finding the Fourth Proportional to 38,622.16, 53,298.33 and 21,626.35

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Solution

The fourth proportional to 38,622.16, 53,298.33 and 21,626.35 is: 29,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.16 : 53,298.33 = 21,626.35 : x
  2. Step 2: Convert to fraction form
    38,622.16/53,298.33 = 21,626.35/x
  3. Step 3: Cross multiply
    38,622.16x = 53,298.33 × 21,626.35
  4. Step 4: Simplify right side
    38,622.16x = 1,152,648,339.00
  5. Step 5: Solve for x
    x = 1,152,648,339.00/38,622.16
  6. Step 6: Final answer
    x = 29,844.22

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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.