Home / 50,870.34-70,197.63-28,208.49

Finding the Fourth Proportional to 50,870.34, 70,197.63 and 28,208.49

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Solution

The fourth proportional to 50,870.34, 70,197.63 and 28,208.49 is: 38,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,870.34 : 70,197.63 = 28,208.49 : x
  2. Step 2: Convert to fraction form
    50,870.34/70,197.63 = 28,208.49/x
  3. Step 3: Cross multiply
    50,870.34x = 70,197.63 × 28,208.49
  4. Step 4: Simplify right side
    50,870.34x = 1,980,169,143.88
  5. Step 5: Solve for x
    x = 1,980,169,143.88/50,870.34
  6. Step 6: Final answer
    x = 38,925.81

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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.