Home / 54,928.17-75,802.16-31,056.25

Finding the Fourth Proportional to 54,928.17, 75,802.16 and 31,056.25

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Solution

The fourth proportional to 54,928.17, 75,802.16 and 31,056.25 is: 42,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,928.17 : 75,802.16 = 31,056.25 : x
  2. Step 2: Convert to fraction form
    54,928.17/75,802.16 = 31,056.25/x
  3. Step 3: Cross multiply
    54,928.17x = 75,802.16 × 31,056.25
  4. Step 4: Simplify right side
    54,928.17x = 2,354,130,831.50
  5. Step 5: Solve for x
    x = 2,354,130,831.50/54,928.17
  6. Step 6: Final answer
    x = 42,858.35

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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.