Home / 42,564.40-63,885.94-21,519.24

Finding the Fourth Proportional to 42,564.40, 63,885.94 and 21,519.24

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Solution

The fourth proportional to 42,564.40, 63,885.94 and 21,519.24 is: 32,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,564.40 : 63,885.94 = 21,519.24 : x
  2. Step 2: Convert to fraction form
    42,564.40/63,885.94 = 21,519.24/x
  3. Step 3: Cross multiply
    42,564.40x = 63,885.94 × 21,519.24
  4. Step 4: Simplify right side
    42,564.40x = 1,374,776,875.49
  5. Step 5: Solve for x
    x = 1,374,776,875.49/42,564.40
  6. Step 6: Final answer
    x = 32,298.75

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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.