Home / 40,308.12-60,427.40-17,801.64

Finding the Fourth Proportional to 40,308.12, 60,427.40 and 17,801.64

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Solution

The fourth proportional to 40,308.12, 60,427.40 and 17,801.64 is: 26,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,308.12 : 60,427.40 = 17,801.64 : x
  2. Step 2: Convert to fraction form
    40,308.12/60,427.40 = 17,801.64/x
  3. Step 3: Cross multiply
    40,308.12x = 60,427.40 × 17,801.64
  4. Step 4: Simplify right side
    40,308.12x = 1,075,706,820.94
  5. Step 5: Solve for x
    x = 1,075,706,820.94/40,308.12
  6. Step 6: Final answer
    x = 26,687.10

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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.