Home / 48,430.12-72,653.44-15,143.68

Finding the Fourth Proportional to 48,430.12, 72,653.44 and 15,143.68

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Solution

The fourth proportional to 48,430.12, 72,653.44 and 15,143.68 is: 22,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,430.12 : 72,653.44 = 15,143.68 : x
  2. Step 2: Convert to fraction form
    48,430.12/72,653.44 = 15,143.68/x
  3. Step 3: Cross multiply
    48,430.12x = 72,653.44 × 15,143.68
  4. Step 4: Simplify right side
    48,430.12x = 1,100,240,446.26
  5. Step 5: Solve for x
    x = 1,100,240,446.26/48,430.12
  6. Step 6: Final answer
    x = 22,718.10

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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.