Home / 63,505.81-87,602.34-40,847.55

Finding the Fourth Proportional to 63,505.81, 87,602.34 and 40,847.55

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Solution

The fourth proportional to 63,505.81, 87,602.34 and 40,847.55 is: 56,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,505.81 : 87,602.34 = 40,847.55 : x
  2. Step 2: Convert to fraction form
    63,505.81/87,602.34 = 40,847.55/x
  3. Step 3: Cross multiply
    63,505.81x = 87,602.34 × 40,847.55
  4. Step 4: Simplify right side
    63,505.81x = 3,578,340,963.27
  5. Step 5: Solve for x
    x = 3,578,340,963.27/63,505.81
  6. Step 6: Final answer
    x = 56,346.67

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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.