Home / 43,128.36-59,457.78-29,513.88

Finding the Fourth Proportional to 43,128.36, 59,457.78 and 29,513.88

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Solution

The fourth proportional to 43,128.36, 59,457.78 and 29,513.88 is: 40,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128.36 : 59,457.78 = 29,513.88 : x
  2. Step 2: Convert to fraction form
    43,128.36/59,457.78 = 29,513.88/x
  3. Step 3: Cross multiply
    43,128.36x = 59,457.78 × 29,513.88
  4. Step 4: Simplify right side
    43,128.36x = 1,754,829,783.99
  5. Step 5: Solve for x
    x = 1,754,829,783.99/43,128.36
  6. Step 6: Final answer
    x = 40,688.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.