Home / 51,018.72-76,547.76-17,742.24

Finding the Fourth Proportional to 51,018.72, 76,547.76 and 17,742.24

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Solution

The fourth proportional to 51,018.72, 76,547.76 and 17,742.24 is: 26,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.72 : 76,547.76 = 17,742.24 : x
  2. Step 2: Convert to fraction form
    51,018.72/76,547.76 = 17,742.24/x
  3. Step 3: Cross multiply
    51,018.72x = 76,547.76 × 17,742.24
  4. Step 4: Simplify right side
    51,018.72x = 1,358,128,729.38
  5. Step 5: Solve for x
    x = 1,358,128,729.38/51,018.72
  6. Step 6: Final answer
    x = 26,620.20

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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.