Home / 51,646.94-77,457.66-14,205.20

Finding the Fourth Proportional to 51,646.94, 77,457.66 and 14,205.20

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Solution

The fourth proportional to 51,646.94, 77,457.66 and 14,205.20 is: 21,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,646.94 : 77,457.66 = 14,205.20 : x
  2. Step 2: Convert to fraction form
    51,646.94/77,457.66 = 14,205.20/x
  3. Step 3: Cross multiply
    51,646.94x = 77,457.66 × 14,205.20
  4. Step 4: Simplify right side
    51,646.94x = 1,100,301,480.81
  5. Step 5: Solve for x
    x = 1,100,301,480.81/51,646.94
  6. Step 6: Final answer
    x = 21,304.29

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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.