Home / 55,283.20-76,303.12-35,136.16

Finding the Fourth Proportional to 55,283.20, 76,303.12 and 35,136.16

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Solution

The fourth proportional to 55,283.20, 76,303.12 and 35,136.16 is: 48,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.20 : 76,303.12 = 35,136.16 : x
  2. Step 2: Convert to fraction form
    55,283.20/76,303.12 = 35,136.16/x
  3. Step 3: Cross multiply
    55,283.20x = 76,303.12 × 35,136.16
  4. Step 4: Simplify right side
    55,283.20x = 2,680,998,632.82
  5. Step 5: Solve for x
    x = 2,680,998,632.82/55,283.20
  6. Step 6: Final answer
    x = 48,495.72

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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.