Home / 35,381.82-53,080.93-15,660.55

Finding the Fourth Proportional to 35,381.82, 53,080.93 and 15,660.55

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Solution

The fourth proportional to 35,381.82, 53,080.93 and 15,660.55 is: 23,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.82 : 53,080.93 = 15,660.55 : x
  2. Step 2: Convert to fraction form
    35,381.82/53,080.93 = 15,660.55/x
  3. Step 3: Cross multiply
    35,381.82x = 53,080.93 × 15,660.55
  4. Step 4: Simplify right side
    35,381.82x = 831,276,292.91
  5. Step 5: Solve for x
    x = 831,276,292.91/35,381.82
  6. Step 6: Final answer
    x = 23,494.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.