Home / 55,687.79-76,852.65-30,537.29

Finding the Fourth Proportional to 55,687.79, 76,852.65 and 30,537.29

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Solution

The fourth proportional to 55,687.79, 76,852.65 and 30,537.29 is: 42,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,687.79 : 76,852.65 = 30,537.29 : x
  2. Step 2: Convert to fraction form
    55,687.79/76,852.65 = 30,537.29/x
  3. Step 3: Cross multiply
    55,687.79x = 76,852.65 × 30,537.29
  4. Step 4: Simplify right side
    55,687.79x = 2,346,871,276.06
  5. Step 5: Solve for x
    x = 2,346,871,276.06/55,687.79
  6. Step 6: Final answer
    x = 42,143.38

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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.