Home / 54,478.81-75,172.59-30,600.89

Finding the Fourth Proportional to 54,478.81, 75,172.59 and 30,600.89

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Solution

The fourth proportional to 54,478.81, 75,172.59 and 30,600.89 is: 42,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.81 : 75,172.59 = 30,600.89 : x
  2. Step 2: Convert to fraction form
    54,478.81/75,172.59 = 30,600.89/x
  3. Step 3: Cross multiply
    54,478.81x = 75,172.59 × 30,600.89
  4. Step 4: Simplify right side
    54,478.81x = 2,300,348,063.64
  5. Step 5: Solve for x
    x = 2,300,348,063.64/54,478.81
  6. Step 6: Final answer
    x = 42,224.64

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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.