Home / 39,955.16-59,917.16-14,981.60

Finding the Fourth Proportional to 39,955.16, 59,917.16 and 14,981.60

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Solution

The fourth proportional to 39,955.16, 59,917.16 and 14,981.60 is: 22,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.16 : 59,917.16 = 14,981.60 : x
  2. Step 2: Convert to fraction form
    39,955.16/59,917.16 = 14,981.60/x
  3. Step 3: Cross multiply
    39,955.16x = 59,917.16 × 14,981.60
  4. Step 4: Simplify right side
    39,955.16x = 897,654,924.26
  5. Step 5: Solve for x
    x = 897,654,924.26/39,955.16
  6. Step 6: Final answer
    x = 22,466.56

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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.