Home / 49,688.58-74,564.30-45,018.01

Finding the Fourth Proportional to 49,688.58, 74,564.30 and 45,018.01

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Solution

The fourth proportional to 49,688.58, 74,564.30 and 45,018.01 is: 67,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,688.58 : 74,564.30 = 45,018.01 : x
  2. Step 2: Convert to fraction form
    49,688.58/74,564.30 = 45,018.01/x
  3. Step 3: Cross multiply
    49,688.58x = 74,564.30 × 45,018.01
  4. Step 4: Simplify right side
    49,688.58x = 3,356,736,403.04
  5. Step 5: Solve for x
    x = 3,356,736,403.04/49,688.58
  6. Step 6: Final answer
    x = 67,555.49

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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.