Home / 53,130.10-73,326.63-34,321.90

Finding the Fourth Proportional to 53,130.10, 73,326.63 and 34,321.90

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Solution

The fourth proportional to 53,130.10, 73,326.63 and 34,321.90 is: 47,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.10 : 73,326.63 = 34,321.90 : x
  2. Step 2: Convert to fraction form
    53,130.10/73,326.63 = 34,321.90/x
  3. Step 3: Cross multiply
    53,130.10x = 73,326.63 × 34,321.90
  4. Step 4: Simplify right side
    53,130.10x = 2,516,709,262.20
  5. Step 5: Solve for x
    x = 2,516,709,262.20/53,130.10
  6. Step 6: Final answer
    x = 47,368.80

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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.