Home / 53,430.88-73,750-37,519.20

Finding the Fourth Proportional to 53,430.88, 73,750 and 37,519.20

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Solution

The fourth proportional to 53,430.88, 73,750 and 37,519.20 is: 51,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.88 : 73,750 = 37,519.20 : x
  2. Step 2: Convert to fraction form
    53,430.88/73,750 = 37,519.20/x
  3. Step 3: Cross multiply
    53,430.88x = 73,750 × 37,519.20
  4. Step 4: Simplify right side
    53,430.88x = 2,767,041,000
  5. Step 5: Solve for x
    x = 2,767,041,000/53,430.88
  6. Step 6: Final answer
    x = 51,787.30

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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.