Home / 53,887.06-74,362.22-30,012.45

Finding the Fourth Proportional to 53,887.06, 74,362.22 and 30,012.45

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Solution

The fourth proportional to 53,887.06, 74,362.22 and 30,012.45 is: 41,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,887.06 : 74,362.22 = 30,012.45 : x
  2. Step 2: Convert to fraction form
    53,887.06/74,362.22 = 30,012.45/x
  3. Step 3: Cross multiply
    53,887.06x = 74,362.22 × 30,012.45
  4. Step 4: Simplify right side
    53,887.06x = 2,231,791,887.77
  5. Step 5: Solve for x
    x = 2,231,791,887.77/53,887.06
  6. Step 6: Final answer
    x = 41,416.10

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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.