Home / 40,767.60-61,151.40-39,212.40

Finding the Fourth Proportional to 40,767.60, 61,151.40 and 39,212.40

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Solution

The fourth proportional to 40,767.60, 61,151.40 and 39,212.40 is: 58,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,767.60 : 61,151.40 = 39,212.40 : x
  2. Step 2: Convert to fraction form
    40,767.60/61,151.40 = 39,212.40/x
  3. Step 3: Cross multiply
    40,767.60x = 61,151.40 × 39,212.40
  4. Step 4: Simplify right side
    40,767.60x = 2,397,893,157.36
  5. Step 5: Solve for x
    x = 2,397,893,157.36/40,767.60
  6. Step 6: Final answer
    x = 58,818.60

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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.