Home / 50,870.40-70,199.85-28,209.03

Finding the Fourth Proportional to 50,870.40, 70,199.85 and 28,209.03

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Solution

The fourth proportional to 50,870.40, 70,199.85 and 28,209.03 is: 38,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,870.40 : 70,199.85 = 28,209.03 : x
  2. Step 2: Convert to fraction form
    50,870.40/70,199.85 = 28,209.03/x
  3. Step 3: Cross multiply
    50,870.40x = 70,199.85 × 28,209.03
  4. Step 4: Simplify right side
    50,870.40x = 1,980,269,674.65
  5. Step 5: Solve for x
    x = 1,980,269,674.65/50,870.40
  6. Step 6: Final answer
    x = 38,927.74

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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.