Home / 54,628.72-75,389.04-30,756.25

Finding the Fourth Proportional to 54,628.72, 75,389.04 and 30,756.25

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Solution

The fourth proportional to 54,628.72, 75,389.04 and 30,756.25 is: 42,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,628.72 : 75,389.04 = 30,756.25 : x
  2. Step 2: Convert to fraction form
    54,628.72/75,389.04 = 30,756.25/x
  3. Step 3: Cross multiply
    54,628.72x = 75,389.04 × 30,756.25
  4. Step 4: Simplify right side
    54,628.72x = 2,318,683,973.03
  5. Step 5: Solve for x
    x = 2,318,683,973.03/54,628.72
  6. Step 6: Final answer
    x = 42,444.42

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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.