Home / 42,401.04-63,602.91-21,329.57

Finding the Fourth Proportional to 42,401.04, 63,602.91 and 21,329.57

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Solution

The fourth proportional to 42,401.04, 63,602.91 and 21,329.57 is: 31,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,401.04 : 63,602.91 = 21,329.57 : x
  2. Step 2: Convert to fraction form
    42,401.04/63,602.91 = 21,329.57/x
  3. Step 3: Cross multiply
    42,401.04x = 63,602.91 × 21,329.57
  4. Step 4: Simplify right side
    42,401.04x = 1,356,622,403.03
  5. Step 5: Solve for x
    x = 1,356,622,403.03/42,401.04
  6. Step 6: Final answer
    x = 31,995.03

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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.