Home / 46,722.52-70,113.84-18,637.80

Finding the Fourth Proportional to 46,722.52, 70,113.84 and 18,637.80

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Solution

The fourth proportional to 46,722.52, 70,113.84 and 18,637.80 is: 27,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,722.52 : 70,113.84 = 18,637.80 : x
  2. Step 2: Convert to fraction form
    46,722.52/70,113.84 = 18,637.80/x
  3. Step 3: Cross multiply
    46,722.52x = 70,113.84 × 18,637.80
  4. Step 4: Simplify right side
    46,722.52x = 1,306,767,727.15
  5. Step 5: Solve for x
    x = 1,306,767,727.15/46,722.52
  6. Step 6: Final answer
    x = 27,968.69

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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.