Home / 48,678.64-73,017.96-19,110.40

Finding the Fourth Proportional to 48,678.64, 73,017.96 and 19,110.40

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Solution

The fourth proportional to 48,678.64, 73,017.96 and 19,110.40 is: 28,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.64 : 73,017.96 = 19,110.40 : x
  2. Step 2: Convert to fraction form
    48,678.64/73,017.96 = 19,110.40/x
  3. Step 3: Cross multiply
    48,678.64x = 73,017.96 × 19,110.40
  4. Step 4: Simplify right side
    48,678.64x = 1,395,402,422.78
  5. Step 5: Solve for x
    x = 1,395,402,422.78/48,678.64
  6. Step 6: Final answer
    x = 28,665.60

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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.