Home / 30,327.05-41,851.50-17,587.79

Finding the Fourth Proportional to 30,327.05, 41,851.50 and 17,587.79

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Solution

The fourth proportional to 30,327.05, 41,851.50 and 17,587.79 is: 24,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.05 : 41,851.50 = 17,587.79 : x
  2. Step 2: Convert to fraction form
    30,327.05/41,851.50 = 17,587.79/x
  3. Step 3: Cross multiply
    30,327.05x = 41,851.50 × 17,587.79
  4. Step 4: Simplify right side
    30,327.05x = 736,075,305.25
  5. Step 5: Solve for x
    x = 736,075,305.25/30,327.05
  6. Step 6: Final answer
    x = 24,271.25

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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.