Home / 42,677.89-64,003.06-14,207.27

Finding the Fourth Proportional to 42,677.89, 64,003.06 and 14,207.27

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Solution

The fourth proportional to 42,677.89, 64,003.06 and 14,207.27 is: 21,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,677.89 : 64,003.06 = 14,207.27 : x
  2. Step 2: Convert to fraction form
    42,677.89/64,003.06 = 14,207.27/x
  3. Step 3: Cross multiply
    42,677.89x = 64,003.06 × 14,207.27
  4. Step 4: Simplify right side
    42,677.89x = 909,308,451.99
  5. Step 5: Solve for x
    x = 909,308,451.99/42,677.89
  6. Step 6: Final answer
    x = 21,306.31

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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.