Home / 53,660.88-74,055.46-31,000.84

Finding the Fourth Proportional to 53,660.88, 74,055.46 and 31,000.84

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Solution

The fourth proportional to 53,660.88, 74,055.46 and 31,000.84 is: 42,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.88 : 74,055.46 = 31,000.84 : x
  2. Step 2: Convert to fraction form
    53,660.88/74,055.46 = 31,000.84/x
  3. Step 3: Cross multiply
    53,660.88x = 74,055.46 × 31,000.84
  4. Step 4: Simplify right side
    53,660.88x = 2,295,781,466.59
  5. Step 5: Solve for x
    x = 2,295,781,466.59/53,660.88
  6. Step 6: Final answer
    x = 42,783.15

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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.