Home / 30,073.61-45,109.95-10,352.34

Finding the Fourth Proportional to 30,073.61, 45,109.95 and 10,352.34

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Solution

The fourth proportional to 30,073.61, 45,109.95 and 10,352.34 is: 15,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.61 : 45,109.95 = 10,352.34 : x
  2. Step 2: Convert to fraction form
    30,073.61/45,109.95 = 10,352.34/x
  3. Step 3: Cross multiply
    30,073.61x = 45,109.95 × 10,352.34
  4. Step 4: Simplify right side
    30,073.61x = 466,993,539.78
  5. Step 5: Solve for x
    x = 466,993,539.78/30,073.61
  6. Step 6: Final answer
    x = 15,528.35

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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.