Home / 30,280.51-45,428.04-9,504.01

Finding the Fourth Proportional to 30,280.51, 45,428.04 and 9,504.01

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Solution

The fourth proportional to 30,280.51, 45,428.04 and 9,504.01 is: 14,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.51 : 45,428.04 = 9,504.01 : x
  2. Step 2: Convert to fraction form
    30,280.51/45,428.04 = 9,504.01/x
  3. Step 3: Cross multiply
    30,280.51x = 45,428.04 × 9,504.01
  4. Step 4: Simplify right side
    30,280.51x = 431,748,498.92
  5. Step 5: Solve for x
    x = 431,748,498.92/30,280.51
  6. Step 6: Final answer
    x = 14,258.30

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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.