Home / 35,640.01-53,353.50-21,557.42

Finding the Fourth Proportional to 35,640.01, 53,353.50 and 21,557.42

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Solution

The fourth proportional to 35,640.01, 53,353.50 and 21,557.42 is: 32,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.01 : 53,353.50 = 21,557.42 : x
  2. Step 2: Convert to fraction form
    35,640.01/53,353.50 = 21,557.42/x
  3. Step 3: Cross multiply
    35,640.01x = 53,353.50 × 21,557.42
  4. Step 4: Simplify right side
    35,640.01x = 1,150,163,807.97
  5. Step 5: Solve for x
    x = 1,150,163,807.97/35,640.01
  6. Step 6: Final answer
    x = 32,271.70

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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.