Home / 55,637.08-76,771.68-31,762.24

Finding the Fourth Proportional to 55,637.08, 76,771.68 and 31,762.24

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Solution

The fourth proportional to 55,637.08, 76,771.68 and 31,762.24 is: 43,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,637.08 : 76,771.68 = 31,762.24 : x
  2. Step 2: Convert to fraction form
    55,637.08/76,771.68 = 31,762.24/x
  3. Step 3: Cross multiply
    55,637.08x = 76,771.68 × 31,762.24
  4. Step 4: Simplify right side
    55,637.08x = 2,438,440,525.36
  5. Step 5: Solve for x
    x = 2,438,440,525.36/55,637.08
  6. Step 6: Final answer
    x = 43,827.62

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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.