Home / 53,574.78-73,932.60-30,913.50

Finding the Fourth Proportional to 53,574.78, 73,932.60 and 30,913.50

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Solution

The fourth proportional to 53,574.78, 73,932.60 and 30,913.50 is: 42,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,574.78 : 73,932.60 = 30,913.50 : x
  2. Step 2: Convert to fraction form
    53,574.78/73,932.60 = 30,913.50/x
  3. Step 3: Cross multiply
    53,574.78x = 73,932.60 × 30,913.50
  4. Step 4: Simplify right side
    53,574.78x = 2,285,515,430.10
  5. Step 5: Solve for x
    x = 2,285,515,430.10/53,574.78
  6. Step 6: Final answer
    x = 42,660.29

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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.