Home / 40,307.04-60,480.90-18,115.80

Finding the Fourth Proportional to 40,307.04, 60,480.90 and 18,115.80

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Solution

The fourth proportional to 40,307.04, 60,480.90 and 18,115.80 is: 27,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.04 : 60,480.90 = 18,115.80 : x
  2. Step 2: Convert to fraction form
    40,307.04/60,480.90 = 18,115.80/x
  3. Step 3: Cross multiply
    40,307.04x = 60,480.90 × 18,115.80
  4. Step 4: Simplify right side
    40,307.04x = 1,095,659,888.22
  5. Step 5: Solve for x
    x = 1,095,659,888.22/40,307.04
  6. Step 6: Final answer
    x = 27,182.84

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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.