Home / 40,776.41-61,094.87-31,888.34

Finding the Fourth Proportional to 40,776.41, 61,094.87 and 31,888.34

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Solution

The fourth proportional to 40,776.41, 61,094.87 and 31,888.34 is: 47,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,776.41 : 61,094.87 = 31,888.34 : x
  2. Step 2: Convert to fraction form
    40,776.41/61,094.87 = 31,888.34/x
  3. Step 3: Cross multiply
    40,776.41x = 61,094.87 × 31,888.34
  4. Step 4: Simplify right side
    40,776.41x = 1,948,213,521.90
  5. Step 5: Solve for x
    x = 1,948,213,521.90/40,776.41
  6. Step 6: Final answer
    x = 47,777.96

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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.