Home / 30,482.48-42,068.84-19,160.52

Finding the Fourth Proportional to 30,482.48, 42,068.84 and 19,160.52

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Solution

The fourth proportional to 30,482.48, 42,068.84 and 19,160.52 is: 26,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.48 : 42,068.84 = 19,160.52 : x
  2. Step 2: Convert to fraction form
    30,482.48/42,068.84 = 19,160.52/x
  3. Step 3: Cross multiply
    30,482.48x = 42,068.84 × 19,160.52
  4. Step 4: Simplify right side
    30,482.48x = 806,060,850.20
  5. Step 5: Solve for x
    x = 806,060,850.20/30,482.48
  6. Step 6: Final answer
    x = 26,443.41

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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.