Home / 39,313.71-58,959.60-13,020.50

Finding the Fourth Proportional to 39,313.71, 58,959.60 and 13,020.50

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Solution

The fourth proportional to 39,313.71, 58,959.60 and 13,020.50 is: 19,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.71 : 58,959.60 = 13,020.50 : x
  2. Step 2: Convert to fraction form
    39,313.71/58,959.60 = 13,020.50/x
  3. Step 3: Cross multiply
    39,313.71x = 58,959.60 × 13,020.50
  4. Step 4: Simplify right side
    39,313.71x = 767,683,177.00
  5. Step 5: Solve for x
    x = 767,683,177.00/39,313.71
  6. Step 6: Final answer
    x = 19,527.11

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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.