Home / 54,624.81-75,389.43-30,756.15

Finding the Fourth Proportional to 54,624.81, 75,389.43 and 30,756.15

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Solution

The fourth proportional to 54,624.81, 75,389.43 and 30,756.15 is: 42,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,624.81 : 75,389.43 = 30,756.15 : x
  2. Step 2: Convert to fraction form
    54,624.81/75,389.43 = 30,756.15/x
  3. Step 3: Cross multiply
    54,624.81x = 75,389.43 × 30,756.15
  4. Step 4: Simplify right side
    54,624.81x = 2,318,688,617.49
  5. Step 5: Solve for x
    x = 2,318,688,617.49/54,624.81
  6. Step 6: Final answer
    x = 42,447.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.