Home / 39,607.41-54,658.21-21,703.10

Finding the Fourth Proportional to 39,607.41, 54,658.21 and 21,703.10

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Solution

The fourth proportional to 39,607.41, 54,658.21 and 21,703.10 is: 29,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,607.41 : 54,658.21 = 21,703.10 : x
  2. Step 2: Convert to fraction form
    39,607.41/54,658.21 = 21,703.10/x
  3. Step 3: Cross multiply
    39,607.41x = 54,658.21 × 21,703.10
  4. Step 4: Simplify right side
    39,607.41x = 1,186,252,597.45
  5. Step 5: Solve for x
    x = 1,186,252,597.45/39,607.41
  6. Step 6: Final answer
    x = 29,950.27

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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.