Home / 35,424.76-53,140.40-9,129.60

Finding the Fourth Proportional to 35,424.76, 53,140.40 and 9,129.60

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Solution

The fourth proportional to 35,424.76, 53,140.40 and 9,129.60 is: 13,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.76 : 53,140.40 = 9,129.60 : x
  2. Step 2: Convert to fraction form
    35,424.76/53,140.40 = 9,129.60/x
  3. Step 3: Cross multiply
    35,424.76x = 53,140.40 × 9,129.60
  4. Step 4: Simplify right side
    35,424.76x = 485,150,595.84
  5. Step 5: Solve for x
    x = 485,150,595.84/35,424.76
  6. Step 6: Final answer
    x = 13,695.24

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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.