Home / 54,448.40-75,130.67-30,570.45

Finding the Fourth Proportional to 54,448.40, 75,130.67 and 30,570.45

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Solution

The fourth proportional to 54,448.40, 75,130.67 and 30,570.45 is: 42,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,448.40 : 75,130.67 = 30,570.45 : x
  2. Step 2: Convert to fraction form
    54,448.40/75,130.67 = 30,570.45/x
  3. Step 3: Cross multiply
    54,448.40x = 75,130.67 × 30,570.45
  4. Step 4: Simplify right side
    54,448.40x = 2,296,778,185.39
  5. Step 5: Solve for x
    x = 2,296,778,185.39/54,448.40
  6. Step 6: Final answer
    x = 42,182.66

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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.