Home / 48,026.07-72,039.12-12,965.70

Finding the Fourth Proportional to 48,026.07, 72,039.12 and 12,965.70

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Solution

The fourth proportional to 48,026.07, 72,039.12 and 12,965.70 is: 19,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,026.07 : 72,039.12 = 12,965.70 : x
  2. Step 2: Convert to fraction form
    48,026.07/72,039.12 = 12,965.70/x
  3. Step 3: Cross multiply
    48,026.07x = 72,039.12 × 12,965.70
  4. Step 4: Simplify right side
    48,026.07x = 934,037,618.18
  5. Step 5: Solve for x
    x = 934,037,618.18/48,026.07
  6. Step 6: Final answer
    x = 19,448.55

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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.