Home / 42,252.84-63,394.56-19,783.08

Finding the Fourth Proportional to 42,252.84, 63,394.56 and 19,783.08

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Solution

The fourth proportional to 42,252.84, 63,394.56 and 19,783.08 is: 29,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,252.84 : 63,394.56 = 19,783.08 : x
  2. Step 2: Convert to fraction form
    42,252.84/63,394.56 = 19,783.08/x
  3. Step 3: Cross multiply
    42,252.84x = 63,394.56 × 19,783.08
  4. Step 4: Simplify right side
    42,252.84x = 1,254,139,652.04
  5. Step 5: Solve for x
    x = 1,254,139,652.04/42,252.84
  6. Step 6: Final answer
    x = 29,681.78

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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.