Home / 35,890,288.88-49,528,799.88-20,420,373.20

Finding the Fourth Proportional to 35,890,288.88, 49,528,799.88 and 20,420,373.20

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Solution

The fourth proportional to 35,890,288.88, 49,528,799.88 and 20,420,373.20 is: 28,180,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890,288.88 : 49,528,799.88 = 20,420,373.20 : x
  2. Step 2: Convert to fraction form
    35,890,288.88/49,528,799.88 = 20,420,373.20/x
  3. Step 3: Cross multiply
    35,890,288.88x = 49,528,799.88 × 20,420,373.20
  4. Step 4: Simplify right side
    35,890,288.88x = 1,011,396,577,697,715.25
  5. Step 5: Solve for x
    x = 1,011,396,577,697,715.25/35,890,288.88
  6. Step 6: Final answer
    x = 28,180,229.51

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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.