Home / 60,588.12-90,897.36-21,145.56

Finding the Fourth Proportional to 60,588.12, 90,897.36 and 21,145.56

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Solution

The fourth proportional to 60,588.12, 90,897.36 and 21,145.56 is: 31,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,588.12 : 90,897.36 = 21,145.56 : x
  2. Step 2: Convert to fraction form
    60,588.12/90,897.36 = 21,145.56/x
  3. Step 3: Cross multiply
    60,588.12x = 90,897.36 × 21,145.56
  4. Step 4: Simplify right side
    60,588.12x = 1,922,075,579.72
  5. Step 5: Solve for x
    x = 1,922,075,579.72/60,588.12
  6. Step 6: Final answer
    x = 31,723.64

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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.