Home / 35,512.46-53,254.84-13,313.72

Finding the Fourth Proportional to 35,512.46, 53,254.84 and 13,313.72

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Solution

The fourth proportional to 35,512.46, 53,254.84 and 13,313.72 is: 19,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.46 : 53,254.84 = 13,313.72 : x
  2. Step 2: Convert to fraction form
    35,512.46/53,254.84 = 13,313.72/x
  3. Step 3: Cross multiply
    35,512.46x = 53,254.84 × 13,313.72
  4. Step 4: Simplify right side
    35,512.46x = 709,020,028.40
  5. Step 5: Solve for x
    x = 709,020,028.40/35,512.46
  6. Step 6: Final answer
    x = 19,965.39

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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.