Home / 48,005.53-72,008.28-12,945.17

Finding the Fourth Proportional to 48,005.53, 72,008.28 and 12,945.17

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Solution

The fourth proportional to 48,005.53, 72,008.28 and 12,945.17 is: 19,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,005.53 : 72,008.28 = 12,945.17 : x
  2. Step 2: Convert to fraction form
    48,005.53/72,008.28 = 12,945.17/x
  3. Step 3: Cross multiply
    48,005.53x = 72,008.28 × 12,945.17
  4. Step 4: Simplify right side
    48,005.53x = 932,159,606.03
  5. Step 5: Solve for x
    x = 932,159,606.03/48,005.53
  6. Step 6: Final answer
    x = 19,417.76

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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.