Home / 51,072.29-70,478.47-29,559.06

Finding the Fourth Proportional to 51,072.29, 70,478.47 and 29,559.06

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Solution

The fourth proportional to 51,072.29, 70,478.47 and 29,559.06 is: 40,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.29 : 70,478.47 = 29,559.06 : x
  2. Step 2: Convert to fraction form
    51,072.29/70,478.47 = 29,559.06/x
  3. Step 3: Cross multiply
    51,072.29x = 70,478.47 × 29,559.06
  4. Step 4: Simplify right side
    51,072.29x = 2,083,277,360.39
  5. Step 5: Solve for x
    x = 2,083,277,360.39/51,072.29
  6. Step 6: Final answer
    x = 40,790.76

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1.5x scale

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.