Home / 43,140.29-64,739.98-15,060.34

Finding the Fourth Proportional to 43,140.29, 64,739.98 and 15,060.34

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Solution

The fourth proportional to 43,140.29, 64,739.98 and 15,060.34 is: 22,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,140.29 : 64,739.98 = 15,060.34 : x
  2. Step 2: Convert to fraction form
    43,140.29/64,739.98 = 15,060.34/x
  3. Step 3: Cross multiply
    43,140.29x = 64,739.98 × 15,060.34
  4. Step 4: Simplify right side
    43,140.29x = 975,006,210.14
  5. Step 5: Solve for x
    x = 975,006,210.14/43,140.29
  6. Step 6: Final answer
    x = 22,600.83

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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.