Home / 42,564.77-63,771.23-25,916.21

Finding the Fourth Proportional to 42,564.77, 63,771.23 and 25,916.21

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Solution

The fourth proportional to 42,564.77, 63,771.23 and 25,916.21 is: 38,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,564.77 : 63,771.23 = 25,916.21 : x
  2. Step 2: Convert to fraction form
    42,564.77/63,771.23 = 25,916.21/x
  3. Step 3: Cross multiply
    42,564.77x = 63,771.23 × 25,916.21
  4. Step 4: Simplify right side
    42,564.77x = 1,652,708,459.06
  5. Step 5: Solve for x
    x = 1,652,708,459.06/42,564.77
  6. Step 6: Final answer
    x = 38,828.08

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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.