Home / 54,579.42-75,319.49-30,706.13

Finding the Fourth Proportional to 54,579.42, 75,319.49 and 30,706.13

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Solution

The fourth proportional to 54,579.42, 75,319.49 and 30,706.13 is: 42,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.42 : 75,319.49 = 30,706.13 : x
  2. Step 2: Convert to fraction form
    54,579.42/75,319.49 = 30,706.13/x
  3. Step 3: Cross multiply
    54,579.42x = 75,319.49 × 30,706.13
  4. Step 4: Simplify right side
    54,579.42x = 2,312,769,751.64
  5. Step 5: Solve for x
    x = 2,312,769,751.64/54,579.42
  6. Step 6: Final answer
    x = 42,374.39

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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.