Home / 35,537.40-53,306.10-20,738.70

Finding the Fourth Proportional to 35,537.40, 53,306.10 and 20,738.70

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Solution

The fourth proportional to 35,537.40, 53,306.10 and 20,738.70 is: 31,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,537.40 : 53,306.10 = 20,738.70 : x
  2. Step 2: Convert to fraction form
    35,537.40/53,306.10 = 20,738.70/x
  3. Step 3: Cross multiply
    35,537.40x = 53,306.10 × 20,738.70
  4. Step 4: Simplify right side
    35,537.40x = 1,105,499,216.07
  5. Step 5: Solve for x
    x = 1,105,499,216.07/35,537.40
  6. Step 6: Final answer
    x = 31,108.05

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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.