Home / 51,391.18-77,089.47-26,424.82

Finding the Fourth Proportional to 51,391.18, 77,089.47 and 26,424.82

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Solution

The fourth proportional to 51,391.18, 77,089.47 and 26,424.82 is: 39,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,391.18 : 77,089.47 = 26,424.82 : x
  2. Step 2: Convert to fraction form
    51,391.18/77,089.47 = 26,424.82/x
  3. Step 3: Cross multiply
    51,391.18x = 77,089.47 × 26,424.82
  4. Step 4: Simplify right side
    51,391.18x = 2,037,075,368.65
  5. Step 5: Solve for x
    x = 2,037,075,368.65/51,391.18
  6. Step 6: Final answer
    x = 39,638.62

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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.