Home / 53,904.90-80,871.93-30,547.74

Finding the Fourth Proportional to 53,904.90, 80,871.93 and 30,547.74

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Solution

The fourth proportional to 53,904.90, 80,871.93 and 30,547.74 is: 45,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.90 : 80,871.93 = 30,547.74 : x
  2. Step 2: Convert to fraction form
    53,904.90/80,871.93 = 30,547.74/x
  3. Step 3: Cross multiply
    53,904.90x = 80,871.93 × 30,547.74
  4. Step 4: Simplify right side
    53,904.90x = 2,470,454,690.94
  5. Step 5: Solve for x
    x = 2,470,454,690.94/53,904.90
  6. Step 6: Final answer
    x = 45,829.87

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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.