Home / 63,352.40-87,401.44-40,688.25

Finding the Fourth Proportional to 63,352.40, 87,401.44 and 40,688.25

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Solution

The fourth proportional to 63,352.40, 87,401.44 and 40,688.25 is: 56,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,352.40 : 87,401.44 = 40,688.25 : x
  2. Step 2: Convert to fraction form
    63,352.40/87,401.44 = 40,688.25/x
  3. Step 3: Cross multiply
    63,352.40x = 87,401.44 × 40,688.25
  4. Step 4: Simplify right side
    63,352.40x = 3,556,211,641.08
  5. Step 5: Solve for x
    x = 3,556,211,641.08/63,352.40
  6. Step 6: Final answer
    x = 56,133.81

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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.