Home / 40,075.19-60,115.91-13,421.27

Finding the Fourth Proportional to 40,075.19, 60,115.91 and 13,421.27

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Solution

The fourth proportional to 40,075.19, 60,115.91 and 13,421.27 is: 20,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.19 : 60,115.91 = 13,421.27 : x
  2. Step 2: Convert to fraction form
    40,075.19/60,115.91 = 13,421.27/x
  3. Step 3: Cross multiply
    40,075.19x = 60,115.91 × 13,421.27
  4. Step 4: Simplify right side
    40,075.19x = 806,831,859.41
  5. Step 5: Solve for x
    x = 806,831,859.41/40,075.19
  6. Step 6: Final answer
    x = 20,132.95

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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.