Home / 50,746.35-70,030.84-28,087.21

Finding the Fourth Proportional to 50,746.35, 70,030.84 and 28,087.21

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Solution

The fourth proportional to 50,746.35, 70,030.84 and 28,087.21 is: 38,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,746.35 : 70,030.84 = 28,087.21 : x
  2. Step 2: Convert to fraction form
    50,746.35/70,030.84 = 28,087.21/x
  3. Step 3: Cross multiply
    50,746.35x = 70,030.84 × 28,087.21
  4. Step 4: Simplify right side
    50,746.35x = 1,966,970,909.56
  5. Step 5: Solve for x
    x = 1,966,970,909.56/50,746.35
  6. Step 6: Final answer
    x = 38,760.84

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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.