Home / 42,767.09-64,158.33-14,679.89

Finding the Fourth Proportional to 42,767.09, 64,158.33 and 14,679.89

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Solution

The fourth proportional to 42,767.09, 64,158.33 and 14,679.89 is: 22,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767.09 : 64,158.33 = 14,679.89 : x
  2. Step 2: Convert to fraction form
    42,767.09/64,158.33 = 14,679.89/x
  3. Step 3: Cross multiply
    42,767.09x = 64,158.33 × 14,679.89
  4. Step 4: Simplify right side
    42,767.09x = 941,836,906.19
  5. Step 5: Solve for x
    x = 941,836,906.19/42,767.09
  6. Step 6: Final answer
    x = 22,022.47

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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.