Home / 68,486.24-94,510.79-38,271.56

Finding the Fourth Proportional to 68,486.24, 94,510.79 and 38,271.56

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Solution

The fourth proportional to 68,486.24, 94,510.79 and 38,271.56 is: 52,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,486.24 : 94,510.79 = 38,271.56 : x
  2. Step 2: Convert to fraction form
    68,486.24/94,510.79 = 38,271.56/x
  3. Step 3: Cross multiply
    68,486.24x = 94,510.79 × 38,271.56
  4. Step 4: Simplify right side
    68,486.24x = 3,617,075,381.36
  5. Step 5: Solve for x
    x = 3,617,075,381.36/68,486.24
  6. Step 6: Final answer
    x = 52,814.63

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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.