Home / 53,488.81-80,232.99-13,507.87

Finding the Fourth Proportional to 53,488.81, 80,232.99 and 13,507.87

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Solution

The fourth proportional to 53,488.81, 80,232.99 and 13,507.87 is: 20,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488.81 : 80,232.99 = 13,507.87 : x
  2. Step 2: Convert to fraction form
    53,488.81/80,232.99 = 13,507.87/x
  3. Step 3: Cross multiply
    53,488.81x = 80,232.99 × 13,507.87
  4. Step 4: Simplify right side
    53,488.81x = 1,083,776,798.63
  5. Step 5: Solve for x
    x = 1,083,776,798.63/53,488.81
  6. Step 6: Final answer
    x = 20,261.75

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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.