Home / 42,210.96-63,270.87-27,430.48

Finding the Fourth Proportional to 42,210.96, 63,270.87 and 27,430.48

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Solution

The fourth proportional to 42,210.96, 63,270.87 and 27,430.48 is: 41,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,210.96 : 63,270.87 = 27,430.48 : x
  2. Step 2: Convert to fraction form
    42,210.96/63,270.87 = 27,430.48/x
  3. Step 3: Cross multiply
    42,210.96x = 63,270.87 × 27,430.48
  4. Step 4: Simplify right side
    42,210.96x = 1,735,550,334.12
  5. Step 5: Solve for x
    x = 1,735,550,334.12/42,210.96
  6. Step 6: Final answer
    x = 41,116.11

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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.