Home / 54,561.49-75,270.10-39,430.19

Finding the Fourth Proportional to 54,561.49, 75,270.10 and 39,430.19

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Solution

The fourth proportional to 54,561.49, 75,270.10 and 39,430.19 is: 54,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561.49 : 75,270.10 = 39,430.19 : x
  2. Step 2: Convert to fraction form
    54,561.49/75,270.10 = 39,430.19/x
  3. Step 3: Cross multiply
    54,561.49x = 75,270.10 × 39,430.19
  4. Step 4: Simplify right side
    54,561.49x = 2,967,914,225.60
  5. Step 5: Solve for x
    x = 2,967,914,225.60/54,561.49
  6. Step 6: Final answer
    x = 54,395.77

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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.