Home / 53,102.35-79,653.43-15,688.71

Finding the Fourth Proportional to 53,102.35, 79,653.43 and 15,688.71

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Solution

The fourth proportional to 53,102.35, 79,653.43 and 15,688.71 is: 23,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,102.35 : 79,653.43 = 15,688.71 : x
  2. Step 2: Convert to fraction form
    53,102.35/79,653.43 = 15,688.71/x
  3. Step 3: Cross multiply
    53,102.35x = 79,653.43 × 15,688.71
  4. Step 4: Simplify right side
    53,102.35x = 1,249,659,165.51
  5. Step 5: Solve for x
    x = 1,249,659,165.51/53,102.35
  6. Step 6: Final answer
    x = 23,533.03

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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.