Home / 47,985.70-66,227.33-31,029.63

Finding the Fourth Proportional to 47,985.70, 66,227.33 and 31,029.63

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Solution

The fourth proportional to 47,985.70, 66,227.33 and 31,029.63 is: 42,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.70 : 66,227.33 = 31,029.63 : x
  2. Step 2: Convert to fraction form
    47,985.70/66,227.33 = 31,029.63/x
  3. Step 3: Cross multiply
    47,985.70x = 66,227.33 × 31,029.63
  4. Step 4: Simplify right side
    47,985.70x = 2,055,009,545.79
  5. Step 5: Solve for x
    x = 2,055,009,545.79/47,985.70
  6. Step 6: Final answer
    x = 42,825.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.