Home / 35,931.47-53,890.25-13,739.63

Finding the Fourth Proportional to 35,931.47, 53,890.25 and 13,739.63

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Solution

The fourth proportional to 35,931.47, 53,890.25 and 13,739.63 is: 20,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.47 : 53,890.25 = 13,739.63 : x
  2. Step 2: Convert to fraction form
    35,931.47/53,890.25 = 13,739.63/x
  3. Step 3: Cross multiply
    35,931.47x = 53,890.25 × 13,739.63
  4. Step 4: Simplify right side
    35,931.47x = 740,431,757.46
  5. Step 5: Solve for x
    x = 740,431,757.46/35,931.47
  6. Step 6: Final answer
    x = 20,606.78

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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.