Home / 49,875.34-74,840.54-20,313.98

Finding the Fourth Proportional to 49,875.34, 74,840.54 and 20,313.98

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Solution

The fourth proportional to 49,875.34, 74,840.54 and 20,313.98 is: 30,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,875.34 : 74,840.54 = 20,313.98 : x
  2. Step 2: Convert to fraction form
    49,875.34/74,840.54 = 20,313.98/x
  3. Step 3: Cross multiply
    49,875.34x = 74,840.54 × 20,313.98
  4. Step 4: Simplify right side
    49,875.34x = 1,520,309,283.53
  5. Step 5: Solve for x
    x = 1,520,309,283.53/49,875.34
  6. Step 6: Final answer
    x = 30,482.19

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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.