Home / 63,313.83-87,390.36-39,426.39

Finding the Fourth Proportional to 63,313.83, 87,390.36 and 39,426.39

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Solution

The fourth proportional to 63,313.83, 87,390.36 and 39,426.39 is: 54,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,313.83 : 87,390.36 = 39,426.39 : x
  2. Step 2: Convert to fraction form
    63,313.83/87,390.36 = 39,426.39/x
  3. Step 3: Cross multiply
    63,313.83x = 87,390.36 × 39,426.39
  4. Step 4: Simplify right side
    63,313.83x = 3,445,486,415.60
  5. Step 5: Solve for x
    x = 3,445,486,415.60/63,313.83
  6. Step 6: Final answer
    x = 54,419.18

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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.