Home / 42,315.16-63,486.24-12,736.12

Finding the Fourth Proportional to 42,315.16, 63,486.24 and 12,736.12

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Solution

The fourth proportional to 42,315.16, 63,486.24 and 12,736.12 is: 19,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,315.16 : 63,486.24 = 12,736.12 : x
  2. Step 2: Convert to fraction form
    42,315.16/63,486.24 = 12,736.12/x
  3. Step 3: Cross multiply
    42,315.16x = 63,486.24 × 12,736.12
  4. Step 4: Simplify right side
    42,315.16x = 808,568,370.99
  5. Step 5: Solve for x
    x = 808,568,370.99/42,315.16
  6. Step 6: Final answer
    x = 19,108.24

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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.