Home / 53,945.36-74,444.88-30,072.08

Finding the Fourth Proportional to 53,945.36, 74,444.88 and 30,072.08

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Solution

The fourth proportional to 53,945.36, 74,444.88 and 30,072.08 is: 41,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945.36 : 74,444.88 = 30,072.08 : x
  2. Step 2: Convert to fraction form
    53,945.36/74,444.88 = 30,072.08/x
  3. Step 3: Cross multiply
    53,945.36x = 74,444.88 × 30,072.08
  4. Step 4: Simplify right side
    53,945.36x = 2,238,712,386.95
  5. Step 5: Solve for x
    x = 2,238,712,386.95/53,945.36
  6. Step 6: Final answer
    x = 41,499.63

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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.