Home / 54,500.51-75,210.03-30,631.23

Finding the Fourth Proportional to 54,500.51, 75,210.03 and 30,631.23

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Solution

The fourth proportional to 54,500.51, 75,210.03 and 30,631.23 is: 42,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,500.51 : 75,210.03 = 30,631.23 : x
  2. Step 2: Convert to fraction form
    54,500.51/75,210.03 = 30,631.23/x
  3. Step 3: Cross multiply
    54,500.51x = 75,210.03 × 30,631.23
  4. Step 4: Simplify right side
    54,500.51x = 2,303,775,727.24
  5. Step 5: Solve for x
    x = 2,303,775,727.24/54,500.51
  6. Step 6: Final answer
    x = 42,270.72

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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.