Home / 50,764.10-70,053.90-28,103.12

Finding the Fourth Proportional to 50,764.10, 70,053.90 and 28,103.12

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Solution

The fourth proportional to 50,764.10, 70,053.90 and 28,103.12 is: 38,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,764.10 : 70,053.90 = 28,103.12 : x
  2. Step 2: Convert to fraction form
    50,764.10/70,053.90 = 28,103.12/x
  3. Step 3: Cross multiply
    50,764.10x = 70,053.90 × 28,103.12
  4. Step 4: Simplify right side
    50,764.10x = 1,968,733,158.17
  5. Step 5: Solve for x
    x = 1,968,733,158.17/50,764.10
  6. Step 6: Final answer
    x = 38,782.00

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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.