Home / 42,697.63-63,994.51-30,221.25

Finding the Fourth Proportional to 42,697.63, 63,994.51 and 30,221.25

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Solution

The fourth proportional to 42,697.63, 63,994.51 and 30,221.25 is: 45,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697.63 : 63,994.51 = 30,221.25 : x
  2. Step 2: Convert to fraction form
    42,697.63/63,994.51 = 30,221.25/x
  3. Step 3: Cross multiply
    42,697.63x = 63,994.51 × 30,221.25
  4. Step 4: Simplify right side
    42,697.63x = 1,933,994,073.11
  5. Step 5: Solve for x
    x = 1,933,994,073.11/42,697.63
  6. Step 6: Final answer
    x = 45,295.11

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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.