Home / 51,225.60-70,690.50-30,000.36

Finding the Fourth Proportional to 51,225.60, 70,690.50 and 30,000.36

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Solution

The fourth proportional to 51,225.60, 70,690.50 and 30,000.36 is: 41,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.60 : 70,690.50 = 30,000.36 : x
  2. Step 2: Convert to fraction form
    51,225.60/70,690.50 = 30,000.36/x
  3. Step 3: Cross multiply
    51,225.60x = 70,690.50 × 30,000.36
  4. Step 4: Simplify right side
    51,225.60x = 2,120,740,448.58
  5. Step 5: Solve for x
    x = 2,120,740,448.58/51,225.60
  6. Step 6: Final answer
    x = 41,400.01

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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.