Home / 53,785.29-74,222.69-29,911.76

Finding the Fourth Proportional to 53,785.29, 74,222.69 and 29,911.76

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Solution

The fourth proportional to 53,785.29, 74,222.69 and 29,911.76 is: 41,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.29 : 74,222.69 = 29,911.76 : x
  2. Step 2: Convert to fraction form
    53,785.29/74,222.69 = 29,911.76/x
  3. Step 3: Cross multiply
    53,785.29x = 74,222.69 × 29,911.76
  4. Step 4: Simplify right side
    53,785.29x = 2,220,130,769.16
  5. Step 5: Solve for x
    x = 2,220,130,769.16/53,785.29
  6. Step 6: Final answer
    x = 41,277.66

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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.