Home / 60,256.40-90,394.85-20,804.28

Finding the Fourth Proportional to 60,256.40, 90,394.85 and 20,804.28

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Solution

The fourth proportional to 60,256.40, 90,394.85 and 20,804.28 is: 31,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,256.40 : 90,394.85 = 20,804.28 : x
  2. Step 2: Convert to fraction form
    60,256.40/90,394.85 = 20,804.28/x
  3. Step 3: Cross multiply
    60,256.40x = 90,394.85 × 20,804.28
  4. Step 4: Simplify right side
    60,256.40x = 1,880,599,665.94
  5. Step 5: Solve for x
    x = 1,880,599,665.94/60,256.40
  6. Step 6: Final answer
    x = 31,209.96

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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.