Home / 32,878.71-45,366.85-19,445.06

Finding the Fourth Proportional to 32,878.71, 45,366.85 and 19,445.06

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Solution

The fourth proportional to 32,878.71, 45,366.85 and 19,445.06 is: 26,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,878.71 : 45,366.85 = 19,445.06 : x
  2. Step 2: Convert to fraction form
    32,878.71/45,366.85 = 19,445.06/x
  3. Step 3: Cross multiply
    32,878.71x = 45,366.85 × 19,445.06
  4. Step 4: Simplify right side
    32,878.71x = 882,161,257.98
  5. Step 5: Solve for x
    x = 882,161,257.98/32,878.71
  6. Step 6: Final answer
    x = 26,830.77

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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.