Home / 30,439.44-45,663.48-10,715.76

Finding the Fourth Proportional to 30,439.44, 45,663.48 and 10,715.76

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Solution

The fourth proportional to 30,439.44, 45,663.48 and 10,715.76 is: 16,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,439.44 : 45,663.48 = 10,715.76 : x
  2. Step 2: Convert to fraction form
    30,439.44/45,663.48 = 10,715.76/x
  3. Step 3: Cross multiply
    30,439.44x = 45,663.48 × 10,715.76
  4. Step 4: Simplify right side
    30,439.44x = 489,318,892.44
  5. Step 5: Solve for x
    x = 489,318,892.44/30,439.44
  6. Step 6: Final answer
    x = 16,075.16

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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.