Home / 30,774.04-42,468.24-19,463.74

Finding the Fourth Proportional to 30,774.04, 42,468.24 and 19,463.74

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Solution

The fourth proportional to 30,774.04, 42,468.24 and 19,463.74 is: 26,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.04 : 42,468.24 = 19,463.74 : x
  2. Step 2: Convert to fraction form
    30,774.04/42,468.24 = 19,463.74/x
  3. Step 3: Cross multiply
    30,774.04x = 42,468.24 × 19,463.74
  4. Step 4: Simplify right side
    30,774.04x = 826,590,781.62
  5. Step 5: Solve for x
    x = 826,590,781.62/30,774.04
  6. Step 6: Final answer
    x = 26,860.00

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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.