Home / 30,681.68-45,955.06-25,356.34

Finding the Fourth Proportional to 30,681.68, 45,955.06 and 25,356.34

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Solution

The fourth proportional to 30,681.68, 45,955.06 and 25,356.34 is: 37,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.68 : 45,955.06 = 25,356.34 : x
  2. Step 2: Convert to fraction form
    30,681.68/45,955.06 = 25,356.34/x
  3. Step 3: Cross multiply
    30,681.68x = 45,955.06 × 25,356.34
  4. Step 4: Simplify right side
    30,681.68x = 1,165,252,126.08
  5. Step 5: Solve for x
    x = 1,165,252,126.08/30,681.68
  6. Step 6: Final answer
    x = 37,978.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.