Home / 35,329,987.20-52,994,980.80-20,213,443.20

Finding the Fourth Proportional to 35,329,987.20, 52,994,980.80 and 20,213,443.20

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Solution

The fourth proportional to 35,329,987.20, 52,994,980.80 and 20,213,443.20 is: 30,320,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,329,987.20 : 52,994,980.80 = 20,213,443.20 : x
  2. Step 2: Convert to fraction form
    35,329,987.20/52,994,980.80 = 20,213,443.20/x
  3. Step 3: Cross multiply
    35,329,987.20x = 52,994,980.80 × 20,213,443.20
  4. Step 4: Simplify right side
    35,329,987.20x = 1,071,211,034,285,890.50
  5. Step 5: Solve for x
    x = 1,071,211,034,285,890.50/35,329,987.20
  6. Step 6: Final answer
    x = 30,320,164.80

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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.