Home / 31,501.89-47,113.40-28,016.35

Finding the Fourth Proportional to 31,501.89, 47,113.40 and 28,016.35

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Solution

The fourth proportional to 31,501.89, 47,113.40 and 28,016.35 is: 41,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.89 : 47,113.40 = 28,016.35 : x
  2. Step 2: Convert to fraction form
    31,501.89/47,113.40 = 28,016.35/x
  3. Step 3: Cross multiply
    31,501.89x = 47,113.40 × 28,016.35
  4. Step 4: Simplify right side
    31,501.89x = 1,319,945,456.35
  5. Step 5: Solve for x
    x = 1,319,945,456.35/31,501.89
  6. Step 6: Final answer
    x = 41,900.52

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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.