Home / 35,971.40-53,957.10-20,160.20

Finding the Fourth Proportional to 35,971.40, 53,957.10 and 20,160.20

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Solution

The fourth proportional to 35,971.40, 53,957.10 and 20,160.20 is: 30,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.40 : 53,957.10 = 20,160.20 : x
  2. Step 2: Convert to fraction form
    35,971.40/53,957.10 = 20,160.20/x
  3. Step 3: Cross multiply
    35,971.40x = 53,957.10 × 20,160.20
  4. Step 4: Simplify right side
    35,971.40x = 1,087,785,927.42
  5. Step 5: Solve for x
    x = 1,087,785,927.42/35,971.40
  6. Step 6: Final answer
    x = 30,240.30

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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.