Home / 40,298.40-55,603.20-24,379.68

Finding the Fourth Proportional to 40,298.40, 55,603.20 and 24,379.68

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Solution

The fourth proportional to 40,298.40, 55,603.20 and 24,379.68 is: 33,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298.40 : 55,603.20 = 24,379.68 : x
  2. Step 2: Convert to fraction form
    40,298.40/55,603.20 = 24,379.68/x
  3. Step 3: Cross multiply
    40,298.40x = 55,603.20 × 24,379.68
  4. Step 4: Simplify right side
    40,298.40x = 1,355,588,222.98
  5. Step 5: Solve for x
    x = 1,355,588,222.98/40,298.40
  6. Step 6: Final answer
    x = 33,638.76

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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.