Home / 42,230.45-63,370.64-15,595.10

Finding the Fourth Proportional to 42,230.45, 63,370.64 and 15,595.10

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Solution

The fourth proportional to 42,230.45, 63,370.64 and 15,595.10 is: 23,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,230.45 : 63,370.64 = 15,595.10 : x
  2. Step 2: Convert to fraction form
    42,230.45/63,370.64 = 15,595.10/x
  3. Step 3: Cross multiply
    42,230.45x = 63,370.64 × 15,595.10
  4. Step 4: Simplify right side
    42,230.45x = 988,271,467.86
  5. Step 5: Solve for x
    x = 988,271,467.86/42,230.45
  6. Step 6: Final answer
    x = 23,401.87

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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.