Home / 57,023.15-78,689.97-31,182.32

Finding the Fourth Proportional to 57,023.15, 78,689.97 and 31,182.32

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Solution

The fourth proportional to 57,023.15, 78,689.97 and 31,182.32 is: 43,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.15 : 78,689.97 = 31,182.32 : x
  2. Step 2: Convert to fraction form
    57,023.15/78,689.97 = 31,182.32/x
  3. Step 3: Cross multiply
    57,023.15x = 78,689.97 × 31,182.32
  4. Step 4: Simplify right side
    57,023.15x = 2,453,735,874.51
  5. Step 5: Solve for x
    x = 2,453,735,874.51/57,023.15
  6. Step 6: Final answer
    x = 43,030.52

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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.