Home / 35,555.63-53,335.50-13,369.20

Finding the Fourth Proportional to 35,555.63, 53,335.50 and 13,369.20

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Solution

The fourth proportional to 35,555.63, 53,335.50 and 13,369.20 is: 20,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.63 : 53,335.50 = 13,369.20 : x
  2. Step 2: Convert to fraction form
    35,555.63/53,335.50 = 13,369.20/x
  3. Step 3: Cross multiply
    35,555.63x = 53,335.50 × 13,369.20
  4. Step 4: Simplify right side
    35,555.63x = 713,053,072.87
  5. Step 5: Solve for x
    x = 713,053,072.87/35,555.63
  6. Step 6: Final answer
    x = 20,054.57

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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.