Home / 40,518.98-60,666.51-20,754.98

Finding the Fourth Proportional to 40,518.98, 60,666.51 and 20,754.98

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Solution

The fourth proportional to 40,518.98, 60,666.51 and 20,754.98 is: 31,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.98 : 60,666.51 = 20,754.98 : x
  2. Step 2: Convert to fraction form
    40,518.98/60,666.51 = 20,754.98/x
  3. Step 3: Cross multiply
    40,518.98x = 60,666.51 × 20,754.98
  4. Step 4: Simplify right side
    40,518.98x = 1,259,132,201.72
  5. Step 5: Solve for x
    x = 1,259,132,201.72/40,518.98
  6. Step 6: Final answer
    x = 31,075.12

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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.