Home / 42,889.52-64,263.14-30,347.37

Finding the Fourth Proportional to 42,889.52, 64,263.14 and 30,347.37

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Solution

The fourth proportional to 42,889.52, 64,263.14 and 30,347.37 is: 45,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,889.52 : 64,263.14 = 30,347.37 : x
  2. Step 2: Convert to fraction form
    42,889.52/64,263.14 = 30,347.37/x
  3. Step 3: Cross multiply
    42,889.52x = 64,263.14 × 30,347.37
  4. Step 4: Simplify right side
    42,889.52x = 1,950,217,135.20
  5. Step 5: Solve for x
    x = 1,950,217,135.20/42,889.52
  6. Step 6: Final answer
    x = 45,470.72

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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.