Home / 54,987.17-75,880.94-31,113.63

Finding the Fourth Proportional to 54,987.17, 75,880.94 and 31,113.63

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Solution

The fourth proportional to 54,987.17, 75,880.94 and 31,113.63 is: 42,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.17 : 75,880.94 = 31,113.63 : x
  2. Step 2: Convert to fraction form
    54,987.17/75,880.94 = 31,113.63/x
  3. Step 3: Cross multiply
    54,987.17x = 75,880.94 × 31,113.63
  4. Step 4: Simplify right side
    54,987.17x = 2,360,931,335.64
  5. Step 5: Solve for x
    x = 2,360,931,335.64/54,987.17
  6. Step 6: Final answer
    x = 42,936.04

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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.