Home / 39,247.52-58,870.74-9,665.60

Finding the Fourth Proportional to 39,247.52, 58,870.74 and 9,665.60

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Solution

The fourth proportional to 39,247.52, 58,870.74 and 9,665.60 is: 14,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.52 : 58,870.74 = 9,665.60 : x
  2. Step 2: Convert to fraction form
    39,247.52/58,870.74 = 9,665.60/x
  3. Step 3: Cross multiply
    39,247.52x = 58,870.74 × 9,665.60
  4. Step 4: Simplify right side
    39,247.52x = 569,021,024.54
  5. Step 5: Solve for x
    x = 569,021,024.54/39,247.52
  6. Step 6: Final answer
    x = 14,498.27

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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.