Home / 39,359,257.24-54,316,128.56-21,718,944.40

Finding the Fourth Proportional to 39,359,257.24, 54,316,128.56 and 21,718,944.40

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Solution

The fourth proportional to 39,359,257.24, 54,316,128.56 and 21,718,944.40 is: 29,972,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,359,257.24 : 54,316,128.56 = 21,718,944.40 : x
  2. Step 2: Convert to fraction form
    39,359,257.24/54,316,128.56 = 21,718,944.40/x
  3. Step 3: Cross multiply
    39,359,257.24x = 54,316,128.56 × 21,718,944.40
  4. Step 4: Simplify right side
    39,359,257.24x = 1,179,688,976,217,892
  5. Step 5: Solve for x
    x = 1,179,688,976,217,892/39,359,257.24
  6. Step 6: Final answer
    x = 29,972,338.38

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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.