Home / 47,177.49-70,766.11-13,897.51

Finding the Fourth Proportional to 47,177.49, 70,766.11 and 13,897.51

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Solution

The fourth proportional to 47,177.49, 70,766.11 and 13,897.51 is: 20,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,177.49 : 70,766.11 = 13,897.51 : x
  2. Step 2: Convert to fraction form
    47,177.49/70,766.11 = 13,897.51/x
  3. Step 3: Cross multiply
    47,177.49x = 70,766.11 × 13,897.51
  4. Step 4: Simplify right side
    47,177.49x = 983,472,509.73
  5. Step 5: Solve for x
    x = 983,472,509.73/47,177.49
  6. Step 6: Final answer
    x = 20,846.22

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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.