Home / 56,075.09-84,126.78-18,635.36

Finding the Fourth Proportional to 56,075.09, 84,126.78 and 18,635.36

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Solution

The fourth proportional to 56,075.09, 84,126.78 and 18,635.36 is: 27,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,075.09 : 84,126.78 = 18,635.36 : x
  2. Step 2: Convert to fraction form
    56,075.09/84,126.78 = 18,635.36/x
  3. Step 3: Cross multiply
    56,075.09x = 84,126.78 × 18,635.36
  4. Step 4: Simplify right side
    56,075.09x = 1,567,732,830.94
  5. Step 5: Solve for x
    x = 1,567,732,830.94/56,075.09
  6. Step 6: Final answer
    x = 27,957.74

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1.5x scale

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.