Home / 47,167.74-70,763.55-13,888.89

Finding the Fourth Proportional to 47,167.74, 70,763.55 and 13,888.89

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Solution

The fourth proportional to 47,167.74, 70,763.55 and 13,888.89 is: 20,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,167.74 : 70,763.55 = 13,888.89 : x
  2. Step 2: Convert to fraction form
    47,167.74/70,763.55 = 13,888.89/x
  3. Step 3: Cross multiply
    47,167.74x = 70,763.55 × 13,888.89
  4. Step 4: Simplify right side
    47,167.74x = 982,827,161.96
  5. Step 5: Solve for x
    x = 982,827,161.96/47,167.74
  6. Step 6: Final answer
    x = 20,836.85

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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.