Home / 35,711.36-53,529.84-12,001.30

Finding the Fourth Proportional to 35,711.36, 53,529.84 and 12,001.30

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Solution

The fourth proportional to 35,711.36, 53,529.84 and 12,001.30 is: 17,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.36 : 53,529.84 = 12,001.30 : x
  2. Step 2: Convert to fraction form
    35,711.36/53,529.84 = 12,001.30/x
  3. Step 3: Cross multiply
    35,711.36x = 53,529.84 × 12,001.30
  4. Step 4: Simplify right side
    35,711.36x = 642,427,668.79
  5. Step 5: Solve for x
    x = 642,427,668.79/35,711.36
  6. Step 6: Final answer
    x = 17,989.45

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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.