Home / 39,358.40-58,999.20-35,211.20

Finding the Fourth Proportional to 39,358.40, 58,999.20 and 35,211.20

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Solution

The fourth proportional to 39,358.40, 58,999.20 and 35,211.20 is: 52,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.40 : 58,999.20 = 35,211.20 : x
  2. Step 2: Convert to fraction form
    39,358.40/58,999.20 = 35,211.20/x
  3. Step 3: Cross multiply
    39,358.40x = 58,999.20 × 35,211.20
  4. Step 4: Simplify right side
    39,358.40x = 2,077,432,631.04
  5. Step 5: Solve for x
    x = 2,077,432,631.04/39,358.40
  6. Step 6: Final answer
    x = 52,782.45

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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.