Home / 42,586.16-58,736.76-40,074.80

Finding the Fourth Proportional to 42,586.16, 58,736.76 and 40,074.80

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Solution

The fourth proportional to 42,586.16, 58,736.76 and 40,074.80 is: 55,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,586.16 : 58,736.76 = 40,074.80 : x
  2. Step 2: Convert to fraction form
    42,586.16/58,736.76 = 40,074.80/x
  3. Step 3: Cross multiply
    42,586.16x = 58,736.76 × 40,074.80
  4. Step 4: Simplify right side
    42,586.16x = 2,353,863,909.65
  5. Step 5: Solve for x
    x = 2,353,863,909.65/42,586.16
  6. Step 6: Final answer
    x = 55,272.98

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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.