Home / 54,360.50-75,010.08-30,485.72

Finding the Fourth Proportional to 54,360.50, 75,010.08 and 30,485.72

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Solution

The fourth proportional to 54,360.50, 75,010.08 and 30,485.72 is: 42,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360.50 : 75,010.08 = 30,485.72 : x
  2. Step 2: Convert to fraction form
    54,360.50/75,010.08 = 30,485.72/x
  3. Step 3: Cross multiply
    54,360.50x = 75,010.08 × 30,485.72
  4. Step 4: Simplify right side
    54,360.50x = 2,286,736,296.06
  5. Step 5: Solve for x
    x = 2,286,736,296.06/54,360.50
  6. Step 6: Final answer
    x = 42,066.14

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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.