Home / 47,141.36-70,616.56-21,804.88

Finding the Fourth Proportional to 47,141.36, 70,616.56 and 21,804.88

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Solution

The fourth proportional to 47,141.36, 70,616.56 and 21,804.88 is: 32,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,141.36 : 70,616.56 = 21,804.88 : x
  2. Step 2: Convert to fraction form
    47,141.36/70,616.56 = 21,804.88/x
  3. Step 3: Cross multiply
    47,141.36x = 70,616.56 × 21,804.88
  4. Step 4: Simplify right side
    47,141.36x = 1,539,785,616.81
  5. Step 5: Solve for x
    x = 1,539,785,616.81/47,141.36
  6. Step 6: Final answer
    x = 32,663.16

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1.5x scale

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.