Home / 35,430.34-48,896.09-19,514.79

Finding the Fourth Proportional to 35,430.34, 48,896.09 and 19,514.79

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Solution

The fourth proportional to 35,430.34, 48,896.09 and 19,514.79 is: 26,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.34 : 48,896.09 = 19,514.79 : x
  2. Step 2: Convert to fraction form
    35,430.34/48,896.09 = 19,514.79/x
  3. Step 3: Cross multiply
    35,430.34x = 48,896.09 × 19,514.79
  4. Step 4: Simplify right side
    35,430.34x = 954,196,928.17
  5. Step 5: Solve for x
    x = 954,196,928.17/35,430.34
  6. Step 6: Final answer
    x = 26,931.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.