Home / 54,554.40-81,831.60-40,730.40

Finding the Fourth Proportional to 54,554.40, 81,831.60 and 40,730.40

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Solution

The fourth proportional to 54,554.40, 81,831.60 and 40,730.40 is: 61,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,554.40 : 81,831.60 = 40,730.40 : x
  2. Step 2: Convert to fraction form
    54,554.40/81,831.60 = 40,730.40/x
  3. Step 3: Cross multiply
    54,554.40x = 81,831.60 × 40,730.40
  4. Step 4: Simplify right side
    54,554.40x = 3,333,033,800.64
  5. Step 5: Solve for x
    x = 3,333,033,800.64/54,554.40
  6. Step 6: Final answer
    x = 61,095.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.