Home / 63,345.20-94,979.40-31,718.48

Finding the Fourth Proportional to 63,345.20, 94,979.40 and 31,718.48

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Solution

The fourth proportional to 63,345.20, 94,979.40 and 31,718.48 is: 47,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,345.20 : 94,979.40 = 31,718.48 : x
  2. Step 2: Convert to fraction form
    63,345.20/94,979.40 = 31,718.48/x
  3. Step 3: Cross multiply
    63,345.20x = 94,979.40 × 31,718.48
  4. Step 4: Simplify right side
    63,345.20x = 3,012,602,199.31
  5. Step 5: Solve for x
    x = 3,012,602,199.31/63,345.20
  6. Step 6: Final answer
    x = 47,558.49

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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.