Home / 42,765.36-64,120.86-37,510.92

Finding the Fourth Proportional to 42,765.36, 64,120.86 and 37,510.92

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Solution

The fourth proportional to 42,765.36, 64,120.86 and 37,510.92 is: 56,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,765.36 : 64,120.86 = 37,510.92 : x
  2. Step 2: Convert to fraction form
    42,765.36/64,120.86 = 37,510.92/x
  3. Step 3: Cross multiply
    42,765.36x = 64,120.86 × 37,510.92
  4. Step 4: Simplify right side
    42,765.36x = 2,405,232,449.79
  5. Step 5: Solve for x
    x = 2,405,232,449.79/42,765.36
  6. Step 6: Final answer
    x = 56,242.54

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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.