Home / 53,686.48-74,157.06-40,861.75

Finding the Fourth Proportional to 53,686.48, 74,157.06 and 40,861.75

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Solution

The fourth proportional to 53,686.48, 74,157.06 and 40,861.75 is: 56,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.48 : 74,157.06 = 40,861.75 : x
  2. Step 2: Convert to fraction form
    53,686.48/74,157.06 = 40,861.75/x
  3. Step 3: Cross multiply
    53,686.48x = 74,157.06 × 40,861.75
  4. Step 4: Simplify right side
    53,686.48x = 3,030,187,246.46
  5. Step 5: Solve for x
    x = 3,030,187,246.46/53,686.48
  6. Step 6: Final answer
    x = 56,442.28

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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.