Home / 48,411.36-66,783.96-29,515.68

Finding the Fourth Proportional to 48,411.36, 66,783.96 and 29,515.68

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Solution

The fourth proportional to 48,411.36, 66,783.96 and 29,515.68 is: 40,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,411.36 : 66,783.96 = 29,515.68 : x
  2. Step 2: Convert to fraction form
    48,411.36/66,783.96 = 29,515.68/x
  3. Step 3: Cross multiply
    48,411.36x = 66,783.96 × 29,515.68
  4. Step 4: Simplify right side
    48,411.36x = 1,971,173,992.49
  5. Step 5: Solve for x
    x = 1,971,173,992.49/48,411.36
  6. Step 6: Final answer
    x = 40,717.18

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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.