Home / 45,716.34-63,127.49-28,748.99

Finding the Fourth Proportional to 45,716.34, 63,127.49 and 28,748.99

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Solution

The fourth proportional to 45,716.34, 63,127.49 and 28,748.99 is: 39,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,716.34 : 63,127.49 = 28,748.99 : x
  2. Step 2: Convert to fraction form
    45,716.34/63,127.49 = 28,748.99/x
  3. Step 3: Cross multiply
    45,716.34x = 63,127.49 × 28,748.99
  4. Step 4: Simplify right side
    45,716.34x = 1,814,851,119.35
  5. Step 5: Solve for x
    x = 1,814,851,119.35/45,716.34
  6. Step 6: Final answer
    x = 39,698.08

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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.