Home / 51,533.28-77,650.96-42,378.36

Finding the Fourth Proportional to 51,533.28, 77,650.96 and 42,378.36

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Solution

The fourth proportional to 51,533.28, 77,650.96 and 42,378.36 is: 63,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,533.28 : 77,650.96 = 42,378.36 : x
  2. Step 2: Convert to fraction form
    51,533.28/77,650.96 = 42,378.36/x
  3. Step 3: Cross multiply
    51,533.28x = 77,650.96 × 42,378.36
  4. Step 4: Simplify right side
    51,533.28x = 3,290,720,337.23
  5. Step 5: Solve for x
    x = 3,290,720,337.23/51,533.28
  6. Step 6: Final answer
    x = 63,856.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.