Home / 54,430.84-75,112.14-30,557.08

Finding the Fourth Proportional to 54,430.84, 75,112.14 and 30,557.08

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Solution

The fourth proportional to 54,430.84, 75,112.14 and 30,557.08 is: 42,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.84 : 75,112.14 = 30,557.08 : x
  2. Step 2: Convert to fraction form
    54,430.84/75,112.14 = 30,557.08/x
  3. Step 3: Cross multiply
    54,430.84x = 75,112.14 × 30,557.08
  4. Step 4: Simplify right side
    54,430.84x = 2,295,207,670.95
  5. Step 5: Solve for x
    x = 2,295,207,670.95/54,430.84
  6. Step 6: Final answer
    x = 42,167.41

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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.