Home / 49,875.40-74,837.36-20,313.64

Finding the Fourth Proportional to 49,875.40, 74,837.36 and 20,313.64

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Solution

The fourth proportional to 49,875.40, 74,837.36 and 20,313.64 is: 30,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,875.40 : 74,837.36 = 20,313.64 : x
  2. Step 2: Convert to fraction form
    49,875.40/74,837.36 = 20,313.64/x
  3. Step 3: Cross multiply
    49,875.40x = 74,837.36 × 20,313.64
  4. Step 4: Simplify right side
    49,875.40x = 1,520,219,189.59
  5. Step 5: Solve for x
    x = 1,520,219,189.59/49,875.40
  6. Step 6: Final answer
    x = 30,480.34

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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.