Home / 55,423.48-76,471.50-31,548.28

Finding the Fourth Proportional to 55,423.48, 76,471.50 and 31,548.28

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Solution

The fourth proportional to 55,423.48, 76,471.50 and 31,548.28 is: 43,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.48 : 76,471.50 = 31,548.28 : x
  2. Step 2: Convert to fraction form
    55,423.48/76,471.50 = 31,548.28/x
  3. Step 3: Cross multiply
    55,423.48x = 76,471.50 × 31,548.28
  4. Step 4: Simplify right side
    55,423.48x = 2,412,544,294.02
  5. Step 5: Solve for x
    x = 2,412,544,294.02/55,423.48
  6. Step 6: Final answer
    x = 43,529.28

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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.