Home / 35,987.36-49,663.53-20,074.91

Finding the Fourth Proportional to 35,987.36, 49,663.53 and 20,074.91

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Solution

The fourth proportional to 35,987.36, 49,663.53 and 20,074.91 is: 27,703.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.36 : 49,663.53 = 20,074.91 : x
  2. Step 2: Convert to fraction form
    35,987.36/49,663.53 = 20,074.91/x
  3. Step 3: Cross multiply
    35,987.36x = 49,663.53 × 20,074.91
  4. Step 4: Simplify right side
    35,987.36x = 996,990,646.71
  5. Step 5: Solve for x
    x = 996,990,646.71/35,987.36
  6. Step 6: Final answer
    x = 27,703.92

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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.