Home / 48,463.20-66,819.60-39,477.60

Finding the Fourth Proportional to 48,463.20, 66,819.60 and 39,477.60

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Solution

The fourth proportional to 48,463.20, 66,819.60 and 39,477.60 is: 54,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,463.20 : 66,819.60 = 39,477.60 : x
  2. Step 2: Convert to fraction form
    48,463.20/66,819.60 = 39,477.60/x
  3. Step 3: Cross multiply
    48,463.20x = 66,819.60 × 39,477.60
  4. Step 4: Simplify right side
    48,463.20x = 2,637,877,440.96
  5. Step 5: Solve for x
    x = 2,637,877,440.96/48,463.20
  6. Step 6: Final answer
    x = 54,430.53

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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.