Home / 30,263.20-45,394.80-14,711.20

Finding the Fourth Proportional to 30,263.20, 45,394.80 and 14,711.20

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Solution

The fourth proportional to 30,263.20, 45,394.80 and 14,711.20 is: 22,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.20 : 45,394.80 = 14,711.20 : x
  2. Step 2: Convert to fraction form
    30,263.20/45,394.80 = 14,711.20/x
  3. Step 3: Cross multiply
    30,263.20x = 45,394.80 × 14,711.20
  4. Step 4: Simplify right side
    30,263.20x = 667,811,981.76
  5. Step 5: Solve for x
    x = 667,811,981.76/30,263.20
  6. Step 6: Final answer
    x = 22,066.80

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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.