Home / 30,460.42-42,035.10-16,848.46

Finding the Fourth Proportional to 30,460.42, 42,035.10 and 16,848.46

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Solution

The fourth proportional to 30,460.42, 42,035.10 and 16,848.46 is: 23,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.42 : 42,035.10 = 16,848.46 : x
  2. Step 2: Convert to fraction form
    30,460.42/42,035.10 = 16,848.46/x
  3. Step 3: Cross multiply
    30,460.42x = 42,035.10 × 16,848.46
  4. Step 4: Simplify right side
    30,460.42x = 708,226,700.95
  5. Step 5: Solve for x
    x = 708,226,700.95/30,460.42
  6. Step 6: Final answer
    x = 23,250.72

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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.