Home / 40,445.04-60,670.66-13,782.80

Finding the Fourth Proportional to 40,445.04, 60,670.66 and 13,782.80

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Solution

The fourth proportional to 40,445.04, 60,670.66 and 13,782.80 is: 20,675.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.04 : 60,670.66 = 13,782.80 : x
  2. Step 2: Convert to fraction form
    40,445.04/60,670.66 = 13,782.80/x
  3. Step 3: Cross multiply
    40,445.04x = 60,670.66 × 13,782.80
  4. Step 4: Simplify right side
    40,445.04x = 836,211,572.65
  5. Step 5: Solve for x
    x = 836,211,572.65/40,445.04
  6. Step 6: Final answer
    x = 20,675.26

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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.