Home / 50,303.76-75,456.36-19,140.72

Finding the Fourth Proportional to 50,303.76, 75,456.36 and 19,140.72

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Solution

The fourth proportional to 50,303.76, 75,456.36 and 19,140.72 is: 28,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,303.76 : 75,456.36 = 19,140.72 : x
  2. Step 2: Convert to fraction form
    50,303.76/75,456.36 = 19,140.72/x
  3. Step 3: Cross multiply
    50,303.76x = 75,456.36 × 19,140.72
  4. Step 4: Simplify right side
    50,303.76x = 1,444,289,058.98
  5. Step 5: Solve for x
    x = 1,444,289,058.98/50,303.76
  6. Step 6: Final answer
    x = 28,711.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.