Home / 51,785.16-71,457.71-29,123.66

Finding the Fourth Proportional to 51,785.16, 71,457.71 and 29,123.66

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Solution

The fourth proportional to 51,785.16, 71,457.71 and 29,123.66 is: 40,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785.16 : 71,457.71 = 29,123.66 : x
  2. Step 2: Convert to fraction form
    51,785.16/71,457.71 = 29,123.66/x
  3. Step 3: Cross multiply
    51,785.16x = 71,457.71 × 29,123.66
  4. Step 4: Simplify right side
    51,785.16x = 2,081,109,547.51
  5. Step 5: Solve for x
    x = 2,081,109,547.51/51,785.16
  6. Step 6: Final answer
    x = 40,187.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.