Home / 53,911.44-74,397.60-30,038.40

Finding the Fourth Proportional to 53,911.44, 74,397.60 and 30,038.40

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Solution

The fourth proportional to 53,911.44, 74,397.60 and 30,038.40 is: 41,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,911.44 : 74,397.60 = 30,038.40 : x
  2. Step 2: Convert to fraction form
    53,911.44/74,397.60 = 30,038.40/x
  3. Step 3: Cross multiply
    53,911.44x = 74,397.60 × 30,038.40
  4. Step 4: Simplify right side
    53,911.44x = 2,234,784,867.84
  5. Step 5: Solve for x
    x = 2,234,784,867.84/53,911.44
  6. Step 6: Final answer
    x = 41,452.89

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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.