Home / 55,501.36-76,590.32-30,349.28

Finding the Fourth Proportional to 55,501.36, 76,590.32 and 30,349.28

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Solution

The fourth proportional to 55,501.36, 76,590.32 and 30,349.28 is: 41,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,501.36 : 76,590.32 = 30,349.28 : x
  2. Step 2: Convert to fraction form
    55,501.36/76,590.32 = 30,349.28/x
  3. Step 3: Cross multiply
    55,501.36x = 76,590.32 × 30,349.28
  4. Step 4: Simplify right side
    55,501.36x = 2,324,461,066.97
  5. Step 5: Solve for x
    x = 2,324,461,066.97/55,501.36
  6. Step 6: Final answer
    x = 41,881.16

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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.