Home / 42,677.66-63,964.64-30,201.34

Finding the Fourth Proportional to 42,677.66, 63,964.64 and 30,201.34

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Solution

The fourth proportional to 42,677.66, 63,964.64 and 30,201.34 is: 45,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,677.66 : 63,964.64 = 30,201.34 : x
  2. Step 2: Convert to fraction form
    42,677.66/63,964.64 = 30,201.34/x
  3. Step 3: Cross multiply
    42,677.66x = 63,964.64 × 30,201.34
  4. Step 4: Simplify right side
    42,677.66x = 1,931,817,840.62
  5. Step 5: Solve for x
    x = 1,931,817,840.62/42,677.66
  6. Step 6: Final answer
    x = 45,265.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.