Home / 39,820.59-59,730.89-10,238.45

Finding the Fourth Proportional to 39,820.59, 59,730.89 and 10,238.45

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Solution

The fourth proportional to 39,820.59, 59,730.89 and 10,238.45 is: 15,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.59 : 59,730.89 = 10,238.45 : x
  2. Step 2: Convert to fraction form
    39,820.59/59,730.89 = 10,238.45/x
  3. Step 3: Cross multiply
    39,820.59x = 59,730.89 × 10,238.45
  4. Step 4: Simplify right side
    39,820.59x = 611,551,380.87
  5. Step 5: Solve for x
    x = 611,551,380.87/39,820.59
  6. Step 6: Final answer
    x = 15,357.67

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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.