Home / 45,695.59-68,508.64-31,618.20

Finding the Fourth Proportional to 45,695.59, 68,508.64 and 31,618.20

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Solution

The fourth proportional to 45,695.59, 68,508.64 and 31,618.20 is: 47,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,695.59 : 68,508.64 = 31,618.20 : x
  2. Step 2: Convert to fraction form
    45,695.59/68,508.64 = 31,618.20/x
  3. Step 3: Cross multiply
    45,695.59x = 68,508.64 × 31,618.20
  4. Step 4: Simplify right side
    45,695.59x = 2,166,119,881.25
  5. Step 5: Solve for x
    x = 2,166,119,881.25/45,695.59
  6. Step 6: Final answer
    x = 47,403.26

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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.