Home / 54,410.18-81,632.91-26,688.74

Finding the Fourth Proportional to 54,410.18, 81,632.91 and 26,688.74

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Solution

The fourth proportional to 54,410.18, 81,632.91 and 26,688.74 is: 40,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,410.18 : 81,632.91 = 26,688.74 : x
  2. Step 2: Convert to fraction form
    54,410.18/81,632.91 = 26,688.74/x
  3. Step 3: Cross multiply
    54,410.18x = 81,632.91 × 26,688.74
  4. Step 4: Simplify right side
    54,410.18x = 2,178,679,510.43
  5. Step 5: Solve for x
    x = 2,178,679,510.43/54,410.18
  6. Step 6: Final answer
    x = 40,041.76

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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.