Home / 56,726.05-78,283.84-31,233.67

Finding the Fourth Proportional to 56,726.05, 78,283.84 and 31,233.67

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Solution

The fourth proportional to 56,726.05, 78,283.84 and 31,233.67 is: 43,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726.05 : 78,283.84 = 31,233.67 : x
  2. Step 2: Convert to fraction form
    56,726.05/78,283.84 = 31,233.67/x
  3. Step 3: Cross multiply
    56,726.05x = 78,283.84 × 31,233.67
  4. Step 4: Simplify right side
    56,726.05x = 2,445,091,624.89
  5. Step 5: Solve for x
    x = 2,445,091,624.89/56,726.05
  6. Step 6: Final answer
    x = 43,103.51

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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.