Home / 43,113.47-64,592.37-18,108.77

Finding the Fourth Proportional to 43,113.47, 64,592.37 and 18,108.77

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Solution

The fourth proportional to 43,113.47, 64,592.37 and 18,108.77 is: 27,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,113.47 : 64,592.37 = 18,108.77 : x
  2. Step 2: Convert to fraction form
    43,113.47/64,592.37 = 18,108.77/x
  3. Step 3: Cross multiply
    43,113.47x = 64,592.37 × 18,108.77
  4. Step 4: Simplify right side
    43,113.47x = 1,169,688,049.12
  5. Step 5: Solve for x
    x = 1,169,688,049.12/43,113.47
  6. Step 6: Final answer
    x = 27,130.46

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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.