Home / 63,420.56-87,520.32-35,128.04

Finding the Fourth Proportional to 63,420.56, 87,520.32 and 35,128.04

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Solution

The fourth proportional to 63,420.56, 87,520.32 and 35,128.04 is: 48,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.56 : 87,520.32 = 35,128.04 : x
  2. Step 2: Convert to fraction form
    63,420.56/87,520.32 = 35,128.04/x
  3. Step 3: Cross multiply
    63,420.56x = 87,520.32 × 35,128.04
  4. Step 4: Simplify right side
    63,420.56x = 3,074,417,301.77
  5. Step 5: Solve for x
    x = 3,074,417,301.77/63,420.56
  6. Step 6: Final answer
    x = 48,476.67

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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.