Home / 50,742.04-70,022.28-28,081.98

Finding the Fourth Proportional to 50,742.04, 70,022.28 and 28,081.98

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Solution

The fourth proportional to 50,742.04, 70,022.28 and 28,081.98 is: 38,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,742.04 : 70,022.28 = 28,081.98 : x
  2. Step 2: Convert to fraction form
    50,742.04/70,022.28 = 28,081.98/x
  3. Step 3: Cross multiply
    50,742.04x = 70,022.28 × 28,081.98
  4. Step 4: Simplify right side
    50,742.04x = 1,966,364,634.41
  5. Step 5: Solve for x
    x = 1,966,364,634.41/50,742.04
  6. Step 6: Final answer
    x = 38,752.18

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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.