Home / 50,934.06-70,287.90-28,271.72

Finding the Fourth Proportional to 50,934.06, 70,287.90 and 28,271.72

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Solution

The fourth proportional to 50,934.06, 70,287.90 and 28,271.72 is: 39,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,934.06 : 70,287.90 = 28,271.72 : x
  2. Step 2: Convert to fraction form
    50,934.06/70,287.90 = 28,271.72/x
  3. Step 3: Cross multiply
    50,934.06x = 70,287.90 × 28,271.72
  4. Step 4: Simplify right side
    50,934.06x = 1,987,159,828.19
  5. Step 5: Solve for x
    x = 1,987,159,828.19/50,934.06
  6. Step 6: Final answer
    x = 39,014.36

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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.