Home / 51,695.08-71,345.84-31,547.70

Finding the Fourth Proportional to 51,695.08, 71,345.84 and 31,547.70

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Solution

The fourth proportional to 51,695.08, 71,345.84 and 31,547.70 is: 43,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,695.08 : 71,345.84 = 31,547.70 : x
  2. Step 2: Convert to fraction form
    51,695.08/71,345.84 = 31,547.70/x
  3. Step 3: Cross multiply
    51,695.08x = 71,345.84 × 31,547.70
  4. Step 4: Simplify right side
    51,695.08x = 2,250,796,998.83
  5. Step 5: Solve for x
    x = 2,250,796,998.83/51,695.08
  6. Step 6: Final answer
    x = 43,539.87

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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.