Home / 52,334.76-78,454.62-19,031.28

Finding the Fourth Proportional to 52,334.76, 78,454.62 and 19,031.28

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Solution

The fourth proportional to 52,334.76, 78,454.62 and 19,031.28 is: 28,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,334.76 : 78,454.62 = 19,031.28 : x
  2. Step 2: Convert to fraction form
    52,334.76/78,454.62 = 19,031.28/x
  3. Step 3: Cross multiply
    52,334.76x = 78,454.62 × 19,031.28
  4. Step 4: Simplify right side
    52,334.76x = 1,493,091,840.51
  5. Step 5: Solve for x
    x = 1,493,091,840.51/52,334.76
  6. Step 6: Final answer
    x = 28,529.64

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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.