Home / 53,360.56-73,639-29,488.72

Finding the Fourth Proportional to 53,360.56, 73,639 and 29,488.72

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Solution

The fourth proportional to 53,360.56, 73,639 and 29,488.72 is: 40,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.56 : 73,639 = 29,488.72 : x
  2. Step 2: Convert to fraction form
    53,360.56/73,639 = 29,488.72/x
  3. Step 3: Cross multiply
    53,360.56x = 73,639 × 29,488.72
  4. Step 4: Simplify right side
    53,360.56x = 2,171,519,852.08
  5. Step 5: Solve for x
    x = 2,171,519,852.08/53,360.56
  6. Step 6: Final answer
    x = 40,695.22

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1.5x scale

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.