Home / 39,438.04-59,157.57-11,358.55

Finding the Fourth Proportional to 39,438.04, 59,157.57 and 11,358.55

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Solution

The fourth proportional to 39,438.04, 59,157.57 and 11,358.55 is: 17,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438.04 : 59,157.57 = 11,358.55 : x
  2. Step 2: Convert to fraction form
    39,438.04/59,157.57 = 11,358.55/x
  3. Step 3: Cross multiply
    39,438.04x = 59,157.57 × 11,358.55
  4. Step 4: Simplify right side
    39,438.04x = 671,944,216.72
  5. Step 5: Solve for x
    x = 671,944,216.72/39,438.04
  6. Step 6: Final answer
    x = 17,037.97

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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.