Home / 35,648.80-53,516.40-35,389.60

Finding the Fourth Proportional to 35,648.80, 53,516.40 and 35,389.60

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Solution

The fourth proportional to 35,648.80, 53,516.40 and 35,389.60 is: 53,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,648.80 : 53,516.40 = 35,389.60 : x
  2. Step 2: Convert to fraction form
    35,648.80/53,516.40 = 35,389.60/x
  3. Step 3: Cross multiply
    35,648.80x = 53,516.40 × 35,389.60
  4. Step 4: Simplify right side
    35,648.80x = 1,893,923,989.44
  5. Step 5: Solve for x
    x = 1,893,923,989.44/35,648.80
  6. Step 6: Final answer
    x = 53,127.29

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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.