Home / 33,276.12-45,931.02-19,856.76

Finding the Fourth Proportional to 33,276.12, 45,931.02 and 19,856.76

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Solution

The fourth proportional to 33,276.12, 45,931.02 and 19,856.76 is: 27,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,276.12 : 45,931.02 = 19,856.76 : x
  2. Step 2: Convert to fraction form
    33,276.12/45,931.02 = 19,856.76/x
  3. Step 3: Cross multiply
    33,276.12x = 45,931.02 × 19,856.76
  4. Step 4: Simplify right side
    33,276.12x = 912,041,240.70
  5. Step 5: Solve for x
    x = 912,041,240.70/33,276.12
  6. Step 6: Final answer
    x = 27,408.28

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Double scale
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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.