Home / 48,381.36-72,563.52-13,312.68

Finding the Fourth Proportional to 48,381.36, 72,563.52 and 13,312.68

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Solution

The fourth proportional to 48,381.36, 72,563.52 and 13,312.68 is: 19,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.36 : 72,563.52 = 13,312.68 : x
  2. Step 2: Convert to fraction form
    48,381.36/72,563.52 = 13,312.68/x
  3. Step 3: Cross multiply
    48,381.36x = 72,563.52 × 13,312.68
  4. Step 4: Simplify right side
    48,381.36x = 966,014,921.43
  5. Step 5: Solve for x
    x = 966,014,921.43/48,381.36
  6. Step 6: Final answer
    x = 19,966.68

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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.