Home / 39,970.08-55,155.60-23,204.32

Finding the Fourth Proportional to 39,970.08, 55,155.60 and 23,204.32

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Solution

The fourth proportional to 39,970.08, 55,155.60 and 23,204.32 is: 32,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.08 : 55,155.60 = 23,204.32 : x
  2. Step 2: Convert to fraction form
    39,970.08/55,155.60 = 23,204.32/x
  3. Step 3: Cross multiply
    39,970.08x = 55,155.60 × 23,204.32
  4. Step 4: Simplify right side
    39,970.08x = 1,279,848,192.19
  5. Step 5: Solve for x
    x = 1,279,848,192.19/39,970.08
  6. Step 6: Final answer
    x = 32,020.16

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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.