Home / 39,071.12-53,921.04-22,077.32

Finding the Fourth Proportional to 39,071.12, 53,921.04 and 22,077.32

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Solution

The fourth proportional to 39,071.12, 53,921.04 and 22,077.32 is: 30,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071.12 : 53,921.04 = 22,077.32 : x
  2. Step 2: Convert to fraction form
    39,071.12/53,921.04 = 22,077.32/x
  3. Step 3: Cross multiply
    39,071.12x = 53,921.04 × 22,077.32
  4. Step 4: Simplify right side
    39,071.12x = 1,190,432,054.81
  5. Step 5: Solve for x
    x = 1,190,432,054.81/39,071.12
  6. Step 6: Final answer
    x = 30,468.34

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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.