Home / 52,985.64-79,511.22-30,809.40

Finding the Fourth Proportional to 52,985.64, 79,511.22 and 30,809.40

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Solution

The fourth proportional to 52,985.64, 79,511.22 and 30,809.40 is: 46,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,985.64 : 79,511.22 = 30,809.40 : x
  2. Step 2: Convert to fraction form
    52,985.64/79,511.22 = 30,809.40/x
  3. Step 3: Cross multiply
    52,985.64x = 79,511.22 × 30,809.40
  4. Step 4: Simplify right side
    52,985.64x = 2,449,692,981.47
  5. Step 5: Solve for x
    x = 2,449,692,981.47/52,985.64
  6. Step 6: Final answer
    x = 46,233.15

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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.