Home / 54,404.06-75,075.80-30,531.12

Finding the Fourth Proportional to 54,404.06, 75,075.80 and 30,531.12

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Solution

The fourth proportional to 54,404.06, 75,075.80 and 30,531.12 is: 42,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404.06 : 75,075.80 = 30,531.12 : x
  2. Step 2: Convert to fraction form
    54,404.06/75,075.80 = 30,531.12/x
  3. Step 3: Cross multiply
    54,404.06x = 75,075.80 × 30,531.12
  4. Step 4: Simplify right side
    54,404.06x = 2,292,148,258.90
  5. Step 5: Solve for x
    x = 2,292,148,258.90/54,404.06
  6. Step 6: Final answer
    x = 42,131.93

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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.