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Finding the Fourth Proportional to 60,210.40, 90,366.80 and 26,981.60

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Solution

The fourth proportional to 60,210.40, 90,366.80 and 26,981.60 is: 40,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,210.40 : 90,366.80 = 26,981.60 : x
  2. Step 2: Convert to fraction form
    60,210.40/90,366.80 = 26,981.60/x
  3. Step 3: Cross multiply
    60,210.40x = 90,366.80 × 26,981.60
  4. Step 4: Simplify right side
    60,210.40x = 2,438,240,850.88
  5. Step 5: Solve for x
    x = 2,438,240,850.88/60,210.40
  6. Step 6: Final answer
    x = 40,495.34

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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.