Home / 35,615.31-53,407.38-16,900.71

Finding the Fourth Proportional to 35,615.31, 53,407.38 and 16,900.71

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Solution

The fourth proportional to 35,615.31, 53,407.38 and 16,900.71 is: 25,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,615.31 : 53,407.38 = 16,900.71 : x
  2. Step 2: Convert to fraction form
    35,615.31/53,407.38 = 16,900.71/x
  3. Step 3: Cross multiply
    35,615.31x = 53,407.38 × 16,900.71
  4. Step 4: Simplify right side
    35,615.31x = 902,622,641.24
  5. Step 5: Solve for x
    x = 902,622,641.24/35,615.31
  6. Step 6: Final answer
    x = 25,343.67

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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.