Home / 42,064.36-63,110.94-18,707.08

Finding the Fourth Proportional to 42,064.36, 63,110.94 and 18,707.08

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Solution

The fourth proportional to 42,064.36, 63,110.94 and 18,707.08 is: 28,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,064.36 : 63,110.94 = 18,707.08 : x
  2. Step 2: Convert to fraction form
    42,064.36/63,110.94 = 18,707.08/x
  3. Step 3: Cross multiply
    42,064.36x = 63,110.94 × 18,707.08
  4. Step 4: Simplify right side
    42,064.36x = 1,180,621,403.46
  5. Step 5: Solve for x
    x = 1,180,621,403.46/42,064.36
  6. Step 6: Final answer
    x = 28,067.02

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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.