Home / 30,599.28-45,894.60-9,820.08

Finding the Fourth Proportional to 30,599.28, 45,894.60 and 9,820.08

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Solution

The fourth proportional to 30,599.28, 45,894.60 and 9,820.08 is: 14,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.28 : 45,894.60 = 9,820.08 : x
  2. Step 2: Convert to fraction form
    30,599.28/45,894.60 = 9,820.08/x
  3. Step 3: Cross multiply
    30,599.28x = 45,894.60 × 9,820.08
  4. Step 4: Simplify right side
    30,599.28x = 450,688,643.57
  5. Step 5: Solve for x
    x = 450,688,643.57/30,599.28
  6. Step 6: Final answer
    x = 14,728.73

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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.