Home / 53,895.06-74,373.26-30,020.45

Finding the Fourth Proportional to 53,895.06, 74,373.26 and 30,020.45

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Solution

The fourth proportional to 53,895.06, 74,373.26 and 30,020.45 is: 41,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.06 : 74,373.26 = 30,020.45 : x
  2. Step 2: Convert to fraction form
    53,895.06/74,373.26 = 30,020.45/x
  3. Step 3: Cross multiply
    53,895.06x = 74,373.26 × 30,020.45
  4. Step 4: Simplify right side
    53,895.06x = 2,232,718,211.20
  5. Step 5: Solve for x
    x = 2,232,718,211.20/53,895.06
  6. Step 6: Final answer
    x = 41,427.14

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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.