Home / 30,505.17-42,097.59-17,577.32

Finding the Fourth Proportional to 30,505.17, 42,097.59 and 17,577.32

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Solution

The fourth proportional to 30,505.17, 42,097.59 and 17,577.32 is: 24,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.17 : 42,097.59 = 17,577.32 : x
  2. Step 2: Convert to fraction form
    30,505.17/42,097.59 = 17,577.32/x
  3. Step 3: Cross multiply
    30,505.17x = 42,097.59 × 17,577.32
  4. Step 4: Simplify right side
    30,505.17x = 739,962,787.53
  5. Step 5: Solve for x
    x = 739,962,787.53/30,505.17
  6. Step 6: Final answer
    x = 24,256.96

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1.5x scale

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.