Home / 51,765.21-77,649.55-14,322.15

Finding the Fourth Proportional to 51,765.21, 77,649.55 and 14,322.15

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Solution

The fourth proportional to 51,765.21, 77,649.55 and 14,322.15 is: 21,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,765.21 : 77,649.55 = 14,322.15 : x
  2. Step 2: Convert to fraction form
    51,765.21/77,649.55 = 14,322.15/x
  3. Step 3: Cross multiply
    51,765.21x = 77,649.55 × 14,322.15
  4. Step 4: Simplify right side
    51,765.21x = 1,112,108,547.29
  5. Step 5: Solve for x
    x = 1,112,108,547.29/51,765.21
  6. Step 6: Final answer
    x = 21,483.71

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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.