Home / 54,623.51-75,381.86-30,751.05

Finding the Fourth Proportional to 54,623.51, 75,381.86 and 30,751.05

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Solution

The fourth proportional to 54,623.51, 75,381.86 and 30,751.05 is: 42,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.51 : 75,381.86 = 30,751.05 : x
  2. Step 2: Convert to fraction form
    54,623.51/75,381.86 = 30,751.05/x
  3. Step 3: Cross multiply
    54,623.51x = 75,381.86 × 30,751.05
  4. Step 4: Simplify right side
    54,623.51x = 2,318,071,345.95
  5. Step 5: Solve for x
    x = 2,318,071,345.95/54,623.51
  6. Step 6: Final answer
    x = 42,437.25

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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.