Home / 35,579.04-53,360.40-13,394.72

Finding the Fourth Proportional to 35,579.04, 53,360.40 and 13,394.72

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Solution

The fourth proportional to 35,579.04, 53,360.40 and 13,394.72 is: 20,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579.04 : 53,360.40 = 13,394.72 : x
  2. Step 2: Convert to fraction form
    35,579.04/53,360.40 = 13,394.72/x
  3. Step 3: Cross multiply
    35,579.04x = 53,360.40 × 13,394.72
  4. Step 4: Simplify right side
    35,579.04x = 714,747,617.09
  5. Step 5: Solve for x
    x = 714,747,617.09/35,579.04
  6. Step 6: Final answer
    x = 20,089.01

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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.