Home / 39,343.48-59,032.65-20,619.06

Finding the Fourth Proportional to 39,343.48, 59,032.65 and 20,619.06

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Solution

The fourth proportional to 39,343.48, 59,032.65 and 20,619.06 is: 30,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.48 : 59,032.65 = 20,619.06 : x
  2. Step 2: Convert to fraction form
    39,343.48/59,032.65 = 20,619.06/x
  3. Step 3: Cross multiply
    39,343.48x = 59,032.65 × 20,619.06
  4. Step 4: Simplify right side
    39,343.48x = 1,217,197,405.60
  5. Step 5: Solve for x
    x = 1,217,197,405.60/39,343.48
  6. Step 6: Final answer
    x = 30,937.72

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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.