Home / 40,430.07-55,777.68-25,316.28

Finding the Fourth Proportional to 40,430.07, 55,777.68 and 25,316.28

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Solution

The fourth proportional to 40,430.07, 55,777.68 and 25,316.28 is: 34,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430.07 : 55,777.68 = 25,316.28 : x
  2. Step 2: Convert to fraction form
    40,430.07/55,777.68 = 25,316.28/x
  3. Step 3: Cross multiply
    40,430.07x = 55,777.68 × 25,316.28
  4. Step 4: Simplify right side
    40,430.07x = 1,412,083,364.63
  5. Step 5: Solve for x
    x = 1,412,083,364.63/40,430.07
  6. Step 6: Final answer
    x = 34,926.56

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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.