Home / 54,264.47-74,889.63-30,396.06

Finding the Fourth Proportional to 54,264.47, 74,889.63 and 30,396.06

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Solution

The fourth proportional to 54,264.47, 74,889.63 and 30,396.06 is: 41,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,264.47 : 74,889.63 = 30,396.06 : x
  2. Step 2: Convert to fraction form
    54,264.47/74,889.63 = 30,396.06/x
  3. Step 3: Cross multiply
    54,264.47x = 74,889.63 × 30,396.06
  4. Step 4: Simplify right side
    54,264.47x = 2,276,349,686.86
  5. Step 5: Solve for x
    x = 2,276,349,686.86/54,264.47
  6. Step 6: Final answer
    x = 41,949.18

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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.