Home / 39,359,258.24-54,316,129.94-21,718,945.40

Finding the Fourth Proportional to 39,359,258.24, 54,316,129.94 and 21,718,945.40

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Solution

The fourth proportional to 39,359,258.24, 54,316,129.94 and 21,718,945.40 is: 29,972,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,359,258.24 : 54,316,129.94 = 21,718,945.40 : x
  2. Step 2: Convert to fraction form
    39,359,258.24/54,316,129.94 = 21,718,945.40/x
  3. Step 3: Cross multiply
    39,359,258.24x = 54,316,129.94 × 21,718,945.40
  4. Step 4: Simplify right side
    39,359,258.24x = 1,179,689,060,506,165.25
  5. Step 5: Solve for x
    x = 1,179,689,060,506,165.25/39,359,258.24
  6. Step 6: Final answer
    x = 29,972,339.76

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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.