Home / 42,770.39-64,149.55-14,690.03

Finding the Fourth Proportional to 42,770.39, 64,149.55 and 14,690.03

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Solution

The fourth proportional to 42,770.39, 64,149.55 and 14,690.03 is: 22,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,770.39 : 64,149.55 = 14,690.03 : x
  2. Step 2: Convert to fraction form
    42,770.39/64,149.55 = 14,690.03/x
  3. Step 3: Cross multiply
    42,770.39x = 64,149.55 × 14,690.03
  4. Step 4: Simplify right side
    42,770.39x = 942,358,456.51
  5. Step 5: Solve for x
    x = 942,358,456.51/42,770.39
  6. Step 6: Final answer
    x = 22,032.97

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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.