Home / 56,711.54-78,266.76-31,222.87

Finding the Fourth Proportional to 56,711.54, 78,266.76 and 31,222.87

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Solution

The fourth proportional to 56,711.54, 78,266.76 and 31,222.87 is: 43,090.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,711.54 : 78,266.76 = 31,222.87 : x
  2. Step 2: Convert to fraction form
    56,711.54/78,266.76 = 31,222.87/x
  3. Step 3: Cross multiply
    56,711.54x = 78,266.76 × 31,222.87
  4. Step 4: Simplify right side
    56,711.54x = 2,443,712,560.05
  5. Step 5: Solve for x
    x = 2,443,712,560.05/56,711.54
  6. Step 6: Final answer
    x = 43,090.22

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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.