Home / 42,394.72-63,593.43-21,323.26

Finding the Fourth Proportional to 42,394.72, 63,593.43 and 21,323.26

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Solution

The fourth proportional to 42,394.72, 63,593.43 and 21,323.26 is: 31,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,394.72 : 63,593.43 = 21,323.26 : x
  2. Step 2: Convert to fraction form
    42,394.72/63,593.43 = 21,323.26/x
  3. Step 3: Cross multiply
    42,394.72x = 63,593.43 × 21,323.26
  4. Step 4: Simplify right side
    42,394.72x = 1,356,019,242.18
  5. Step 5: Solve for x
    x = 1,356,019,242.18/42,394.72
  6. Step 6: Final answer
    x = 31,985.57

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1.5x scale

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.