Home / 45,723.75-63,120.34-34,397.55

Finding the Fourth Proportional to 45,723.75, 63,120.34 and 34,397.55

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Solution

The fourth proportional to 45,723.75, 63,120.34 and 34,397.55 is: 47,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,723.75 : 63,120.34 = 34,397.55 : x
  2. Step 2: Convert to fraction form
    45,723.75/63,120.34 = 34,397.55/x
  3. Step 3: Cross multiply
    45,723.75x = 63,120.34 × 34,397.55
  4. Step 4: Simplify right side
    45,723.75x = 2,171,185,051.17
  5. Step 5: Solve for x
    x = 2,171,185,051.17/45,723.75
  6. Step 6: Final answer
    x = 47,484.84

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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.