Home / 40,907.31-61,354.13-11,328.14

Finding the Fourth Proportional to 40,907.31, 61,354.13 and 11,328.14

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Solution

The fourth proportional to 40,907.31, 61,354.13 and 11,328.14 is: 16,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.31 : 61,354.13 = 11,328.14 : x
  2. Step 2: Convert to fraction form
    40,907.31/61,354.13 = 11,328.14/x
  3. Step 3: Cross multiply
    40,907.31x = 61,354.13 × 11,328.14
  4. Step 4: Simplify right side
    40,907.31x = 695,027,810.81
  5. Step 5: Solve for x
    x = 695,027,810.81/40,907.31
  6. Step 6: Final answer
    x = 16,990.31

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1.5x scale

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.