Home / 35,989,528.80-53,918,974.80-20,798,335.20

Finding the Fourth Proportional to 35,989,528.80, 53,918,974.80 and 20,798,335.20

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Solution

The fourth proportional to 35,989,528.80, 53,918,974.80 and 20,798,335.20 is: 31,159,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989,528.80 : 53,918,974.80 = 20,798,335.20 : x
  2. Step 2: Convert to fraction form
    35,989,528.80/53,918,974.80 = 20,798,335.20/x
  3. Step 3: Cross multiply
    35,989,528.80x = 53,918,974.80 × 20,798,335.20
  4. Step 4: Simplify right side
    35,989,528.80x = 1,121,424,911,530,752.88
  5. Step 5: Solve for x
    x = 1,121,424,911,530,752.88/35,989,528.80
  6. Step 6: Final answer
    x = 31,159,755.32

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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.