Home / 53,125.56-79,698.84-15,686.28

Finding the Fourth Proportional to 53,125.56, 79,698.84 and 15,686.28

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Solution

The fourth proportional to 53,125.56, 79,698.84 and 15,686.28 is: 23,532.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,125.56 : 79,698.84 = 15,686.28 : x
  2. Step 2: Convert to fraction form
    53,125.56/79,698.84 = 15,686.28/x
  3. Step 3: Cross multiply
    53,125.56x = 79,698.84 × 15,686.28
  4. Step 4: Simplify right side
    53,125.56x = 1,250,178,319.92
  5. Step 5: Solve for x
    x = 1,250,178,319.92/53,125.56
  6. Step 6: Final answer
    x = 23,532.52

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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.