Home / 54,534.48-75,258.28-30,659.76

Finding the Fourth Proportional to 54,534.48, 75,258.28 and 30,659.76

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Solution

The fourth proportional to 54,534.48, 75,258.28 and 30,659.76 is: 42,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,534.48 : 75,258.28 = 30,659.76 : x
  2. Step 2: Convert to fraction form
    54,534.48/75,258.28 = 30,659.76/x
  3. Step 3: Cross multiply
    54,534.48x = 75,258.28 × 30,659.76
  4. Step 4: Simplify right side
    54,534.48x = 2,307,400,802.81
  5. Step 5: Solve for x
    x = 2,307,400,802.81/54,534.48
  6. Step 6: Final answer
    x = 42,310.86

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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.