Home / 47,929.36-66,142.78-27,798.18

Finding the Fourth Proportional to 47,929.36, 66,142.78 and 27,798.18

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Solution

The fourth proportional to 47,929.36, 66,142.78 and 27,798.18 is: 38,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,929.36 : 66,142.78 = 27,798.18 : x
  2. Step 2: Convert to fraction form
    47,929.36/66,142.78 = 27,798.18/x
  3. Step 3: Cross multiply
    47,929.36x = 66,142.78 × 27,798.18
  4. Step 4: Simplify right side
    47,929.36x = 1,838,648,904.14
  5. Step 5: Solve for x
    x = 1,838,648,904.14/47,929.36
  6. Step 6: Final answer
    x = 38,361.64

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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.