Home / 30,392.74-45,547.93-13,731.99

Finding the Fourth Proportional to 30,392.74, 45,547.93 and 13,731.99

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Solution

The fourth proportional to 30,392.74, 45,547.93 and 13,731.99 is: 20,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.74 : 45,547.93 = 13,731.99 : x
  2. Step 2: Convert to fraction form
    30,392.74/45,547.93 = 13,731.99/x
  3. Step 3: Cross multiply
    30,392.74x = 45,547.93 × 13,731.99
  4. Step 4: Simplify right side
    30,392.74x = 625,463,719.28
  5. Step 5: Solve for x
    x = 625,463,719.28/30,392.74
  6. Step 6: Final answer
    x = 20,579.38

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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.