Home / 60,428.94-90,612.26-27,120.45

Finding the Fourth Proportional to 60,428.94, 90,612.26 and 27,120.45

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Solution

The fourth proportional to 60,428.94, 90,612.26 and 27,120.45 is: 40,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428.94 : 90,612.26 = 27,120.45 : x
  2. Step 2: Convert to fraction form
    60,428.94/90,612.26 = 27,120.45/x
  3. Step 3: Cross multiply
    60,428.94x = 90,612.26 × 27,120.45
  4. Step 4: Simplify right side
    60,428.94x = 2,457,445,131.11
  5. Step 5: Solve for x
    x = 2,457,445,131.11/60,428.94
  6. Step 6: Final answer
    x = 40,666.69

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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.