Home / 52,282.64-78,424.23-12,839.77

Finding the Fourth Proportional to 52,282.64, 78,424.23 and 12,839.77

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Solution

The fourth proportional to 52,282.64, 78,424.23 and 12,839.77 is: 19,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,282.64 : 78,424.23 = 12,839.77 : x
  2. Step 2: Convert to fraction form
    52,282.64/78,424.23 = 12,839.77/x
  3. Step 3: Cross multiply
    52,282.64x = 78,424.23 × 12,839.77
  4. Step 4: Simplify right side
    52,282.64x = 1,006,949,075.63
  5. Step 5: Solve for x
    x = 1,006,949,075.63/52,282.64
  6. Step 6: Final answer
    x = 19,259.72

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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.