Home / 51,508.07-77,256.02-13,561.19

Finding the Fourth Proportional to 51,508.07, 77,256.02 and 13,561.19

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Solution

The fourth proportional to 51,508.07, 77,256.02 and 13,561.19 is: 20,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,508.07 : 77,256.02 = 13,561.19 : x
  2. Step 2: Convert to fraction form
    51,508.07/77,256.02 = 13,561.19/x
  3. Step 3: Cross multiply
    51,508.07x = 77,256.02 × 13,561.19
  4. Step 4: Simplify right side
    51,508.07x = 1,047,683,111.78
  5. Step 5: Solve for x
    x = 1,047,683,111.78/51,508.07
  6. Step 6: Final answer
    x = 20,340.18

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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.