Home / 39,438.48-59,157.87-9,856.34

Finding the Fourth Proportional to 39,438.48, 59,157.87 and 9,856.34

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Solution

The fourth proportional to 39,438.48, 59,157.87 and 9,856.34 is: 14,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438.48 : 59,157.87 = 9,856.34 : x
  2. Step 2: Convert to fraction form
    39,438.48/59,157.87 = 9,856.34/x
  3. Step 3: Cross multiply
    39,438.48x = 59,157.87 × 9,856.34
  4. Step 4: Simplify right side
    39,438.48x = 583,080,080.40
  5. Step 5: Solve for x
    x = 583,080,080.40/39,438.48
  6. Step 6: Final answer
    x = 14,784.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.