Home / 30,177.87-45,267.76-14,384.62

Finding the Fourth Proportional to 30,177.87, 45,267.76 and 14,384.62

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Solution

The fourth proportional to 30,177.87, 45,267.76 and 14,384.62 is: 21,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.87 : 45,267.76 = 14,384.62 : x
  2. Step 2: Convert to fraction form
    30,177.87/45,267.76 = 14,384.62/x
  3. Step 3: Cross multiply
    30,177.87x = 45,267.76 × 14,384.62
  4. Step 4: Simplify right side
    30,177.87x = 651,159,348.76
  5. Step 5: Solve for x
    x = 651,159,348.76/30,177.87
  6. Step 6: Final answer
    x = 21,577.38

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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.