Home / 53,212.32-73,409.76-31,979.34

Finding the Fourth Proportional to 53,212.32, 73,409.76 and 31,979.34

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Solution

The fourth proportional to 53,212.32, 73,409.76 and 31,979.34 is: 44,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.32 : 73,409.76 = 31,979.34 : x
  2. Step 2: Convert to fraction form
    53,212.32/73,409.76 = 31,979.34/x
  3. Step 3: Cross multiply
    53,212.32x = 73,409.76 × 31,979.34
  4. Step 4: Simplify right side
    53,212.32x = 2,347,595,674.36
  5. Step 5: Solve for x
    x = 2,347,595,674.36/53,212.32
  6. Step 6: Final answer
    x = 44,117.52

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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.