Home / 54,228.24-74,831.28-30,354.72

Finding the Fourth Proportional to 54,228.24, 74,831.28 and 30,354.72

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Solution

The fourth proportional to 54,228.24, 74,831.28 and 30,354.72 is: 41,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.24 : 74,831.28 = 30,354.72 : x
  2. Step 2: Convert to fraction form
    54,228.24/74,831.28 = 30,354.72/x
  3. Step 3: Cross multiply
    54,228.24x = 74,831.28 × 30,354.72
  4. Step 4: Simplify right side
    54,228.24x = 2,271,482,551.64
  5. Step 5: Solve for x
    x = 2,271,482,551.64/54,228.24
  6. Step 6: Final answer
    x = 41,887.45

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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.