Home / 54,430.30-75,108.63-30,551.50

Finding the Fourth Proportional to 54,430.30, 75,108.63 and 30,551.50

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Solution

The fourth proportional to 54,430.30, 75,108.63 and 30,551.50 is: 42,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.30 : 75,108.63 = 30,551.50 : x
  2. Step 2: Convert to fraction form
    54,430.30/75,108.63 = 30,551.50/x
  3. Step 3: Cross multiply
    54,430.30x = 75,108.63 × 30,551.50
  4. Step 4: Simplify right side
    54,430.30x = 2,294,681,309.45
  5. Step 5: Solve for x
    x = 2,294,681,309.45/54,430.30
  6. Step 6: Final answer
    x = 42,158.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.