Home / 40,455.72-55,835.64-29,875.92

Finding the Fourth Proportional to 40,455.72, 55,835.64 and 29,875.92

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Solution

The fourth proportional to 40,455.72, 55,835.64 and 29,875.92 is: 41,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.72 : 55,835.64 = 29,875.92 : x
  2. Step 2: Convert to fraction form
    40,455.72/55,835.64 = 29,875.92/x
  3. Step 3: Cross multiply
    40,455.72x = 55,835.64 × 29,875.92
  4. Step 4: Simplify right side
    40,455.72x = 1,668,141,113.79
  5. Step 5: Solve for x
    x = 1,668,141,113.79/40,455.72
  6. Step 6: Final answer
    x = 41,233.75

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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.