Home / 42,455.20-63,750.80-33,762.40

Finding the Fourth Proportional to 42,455.20, 63,750.80 and 33,762.40

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Solution

The fourth proportional to 42,455.20, 63,750.80 and 33,762.40 is: 50,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.20 : 63,750.80 = 33,762.40 : x
  2. Step 2: Convert to fraction form
    42,455.20/63,750.80 = 33,762.40/x
  3. Step 3: Cross multiply
    42,455.20x = 63,750.80 × 33,762.40
  4. Step 4: Simplify right side
    42,455.20x = 2,152,380,009.92
  5. Step 5: Solve for x
    x = 2,152,380,009.92/42,455.20
  6. Step 6: Final answer
    x = 50,697.68

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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.