Home / 30,547.92-45,824.01-12,771.87

Finding the Fourth Proportional to 30,547.92, 45,824.01 and 12,771.87

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Solution

The fourth proportional to 30,547.92, 45,824.01 and 12,771.87 is: 19,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.92 : 45,824.01 = 12,771.87 : x
  2. Step 2: Convert to fraction form
    30,547.92/45,824.01 = 12,771.87/x
  3. Step 3: Cross multiply
    30,547.92x = 45,824.01 × 12,771.87
  4. Step 4: Simplify right side
    30,547.92x = 585,258,298.60
  5. Step 5: Solve for x
    x = 585,258,298.60/30,547.92
  6. Step 6: Final answer
    x = 19,158.70

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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.