Home / 54,742.40-82,113.60-31,025.60

Finding the Fourth Proportional to 54,742.40, 82,113.60 and 31,025.60

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Solution

The fourth proportional to 54,742.40, 82,113.60 and 31,025.60 is: 46,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.40 : 82,113.60 = 31,025.60 : x
  2. Step 2: Convert to fraction form
    54,742.40/82,113.60 = 31,025.60/x
  3. Step 3: Cross multiply
    54,742.40x = 82,113.60 × 31,025.60
  4. Step 4: Simplify right side
    54,742.40x = 2,547,623,708.16
  5. Step 5: Solve for x
    x = 2,547,623,708.16/54,742.40
  6. Step 6: Final answer
    x = 46,538.40

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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.