Home / 39,386.80-59,074.62-11,309.32

Finding the Fourth Proportional to 39,386.80, 59,074.62 and 11,309.32

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Solution

The fourth proportional to 39,386.80, 59,074.62 and 11,309.32 is: 16,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386.80 : 59,074.62 = 11,309.32 : x
  2. Step 2: Convert to fraction form
    39,386.80/59,074.62 = 11,309.32/x
  3. Step 3: Cross multiply
    39,386.80x = 59,074.62 × 11,309.32
  4. Step 4: Simplify right side
    39,386.80x = 668,093,781.46
  5. Step 5: Solve for x
    x = 668,093,781.46/39,386.80
  6. Step 6: Final answer
    x = 16,962.38

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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.