Home / 54,987.44-75,862.86-31,113.86

Finding the Fourth Proportional to 54,987.44, 75,862.86 and 31,113.86

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Solution

The fourth proportional to 54,987.44, 75,862.86 and 31,113.86 is: 42,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.44 : 75,862.86 = 31,113.86 : x
  2. Step 2: Convert to fraction form
    54,987.44/75,862.86 = 31,113.86/x
  3. Step 3: Cross multiply
    54,987.44x = 75,862.86 × 31,113.86
  4. Step 4: Simplify right side
    54,987.44x = 2,360,386,405.24
  5. Step 5: Solve for x
    x = 2,360,386,405.24/54,987.44
  6. Step 6: Final answer
    x = 42,925.92

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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.