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Finding the Fourth Proportional to 54,666.32, 82,048.01 and 28,030.32

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Solution

The fourth proportional to 54,666.32, 82,048.01 and 28,030.32 is: 42,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,666.32 : 82,048.01 = 28,030.32 : x
  2. Step 2: Convert to fraction form
    54,666.32/82,048.01 = 28,030.32/x
  3. Step 3: Cross multiply
    54,666.32x = 82,048.01 × 28,030.32
  4. Step 4: Simplify right side
    54,666.32x = 2,299,831,835.51
  5. Step 5: Solve for x
    x = 2,299,831,835.51/54,666.32
  6. Step 6: Final answer
    x = 42,070.37

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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.