Home / 30,764.04-42,454.41-16,616.88

Finding the Fourth Proportional to 30,764.04, 42,454.41 and 16,616.88

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Solution

The fourth proportional to 30,764.04, 42,454.41 and 16,616.88 is: 22,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.04 : 42,454.41 = 16,616.88 : x
  2. Step 2: Convert to fraction form
    30,764.04/42,454.41 = 16,616.88/x
  3. Step 3: Cross multiply
    30,764.04x = 42,454.41 × 16,616.88
  4. Step 4: Simplify right side
    30,764.04x = 705,459,774.13
  5. Step 5: Solve for x
    x = 705,459,774.13/30,764.04
  6. Step 6: Final answer
    x = 22,931.31

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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.