Home / 40,075.98-55,306.37-21,927.93

Finding the Fourth Proportional to 40,075.98, 55,306.37 and 21,927.93

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Solution

The fourth proportional to 40,075.98, 55,306.37 and 21,927.93 is: 30,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.98 : 55,306.37 = 21,927.93 : x
  2. Step 2: Convert to fraction form
    40,075.98/55,306.37 = 21,927.93/x
  3. Step 3: Cross multiply
    40,075.98x = 55,306.37 × 21,927.93
  4. Step 4: Simplify right side
    40,075.98x = 1,212,754,209.91
  5. Step 5: Solve for x
    x = 1,212,754,209.91/40,075.98
  6. Step 6: Final answer
    x = 30,261.37

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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.