Home / 55,400.13-76,455.47-31,526.97

Finding the Fourth Proportional to 55,400.13, 76,455.47 and 31,526.97

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Solution

The fourth proportional to 55,400.13, 76,455.47 and 31,526.97 is: 43,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.13 : 76,455.47 = 31,526.97 : x
  2. Step 2: Convert to fraction form
    55,400.13/76,455.47 = 31,526.97/x
  3. Step 3: Cross multiply
    55,400.13x = 76,455.47 × 31,526.97
  4. Step 4: Simplify right side
    55,400.13x = 2,410,409,442.53
  5. Step 5: Solve for x
    x = 2,410,409,442.53/55,400.13
  6. Step 6: Final answer
    x = 43,509.10

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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.