Home / 48,749.47-73,123.86-13,689.16

Finding the Fourth Proportional to 48,749.47, 73,123.86 and 13,689.16

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Solution

The fourth proportional to 48,749.47, 73,123.86 and 13,689.16 is: 20,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,749.47 : 73,123.86 = 13,689.16 : x
  2. Step 2: Convert to fraction form
    48,749.47/73,123.86 = 13,689.16/x
  3. Step 3: Cross multiply
    48,749.47x = 73,123.86 × 13,689.16
  4. Step 4: Simplify right side
    48,749.47x = 1,001,004,219.36
  5. Step 5: Solve for x
    x = 1,001,004,219.36/48,749.47
  6. Step 6: Final answer
    x = 20,533.64

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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.