Home / 54,888.17-75,743.75-31,014.33

Finding the Fourth Proportional to 54,888.17, 75,743.75 and 31,014.33

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Solution

The fourth proportional to 54,888.17, 75,743.75 and 31,014.33 is: 42,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,888.17 : 75,743.75 = 31,014.33 : x
  2. Step 2: Convert to fraction form
    54,888.17/75,743.75 = 31,014.33/x
  3. Step 3: Cross multiply
    54,888.17x = 75,743.75 × 31,014.33
  4. Step 4: Simplify right side
    54,888.17x = 2,349,141,502.87
  5. Step 5: Solve for x
    x = 2,349,141,502.87/54,888.17
  6. Step 6: Final answer
    x = 42,798.69

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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.