Home / 54,642.07-75,407.33-30,444.64

Finding the Fourth Proportional to 54,642.07, 75,407.33 and 30,444.64

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Solution

The fourth proportional to 54,642.07, 75,407.33 and 30,444.64 is: 42,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,642.07 : 75,407.33 = 30,444.64 : x
  2. Step 2: Convert to fraction form
    54,642.07/75,407.33 = 30,444.64/x
  3. Step 3: Cross multiply
    54,642.07x = 75,407.33 × 30,444.64
  4. Step 4: Simplify right side
    54,642.07x = 2,295,748,957.25
  5. Step 5: Solve for x
    x = 2,295,748,957.25/54,642.07
  6. Step 6: Final answer
    x = 42,014.31

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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.