Home / 60,461.13-90,691.68-21,018.23

Finding the Fourth Proportional to 60,461.13, 90,691.68 and 21,018.23

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Solution

The fourth proportional to 60,461.13, 90,691.68 and 21,018.23 is: 31,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,461.13 : 90,691.68 = 21,018.23 : x
  2. Step 2: Convert to fraction form
    60,461.13/90,691.68 = 21,018.23/x
  3. Step 3: Cross multiply
    60,461.13x = 90,691.68 × 21,018.23
  4. Step 4: Simplify right side
    60,461.13x = 1,906,178,887.58
  5. Step 5: Solve for x
    x = 1,906,178,887.58/60,461.13
  6. Step 6: Final answer
    x = 31,527.34

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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.