Home / 45,312.30-62,531.40-26,445.78

Finding the Fourth Proportional to 45,312.30, 62,531.40 and 26,445.78

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Solution

The fourth proportional to 45,312.30, 62,531.40 and 26,445.78 is: 36,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,312.30 : 62,531.40 = 26,445.78 : x
  2. Step 2: Convert to fraction form
    45,312.30/62,531.40 = 26,445.78/x
  3. Step 3: Cross multiply
    45,312.30x = 62,531.40 × 26,445.78
  4. Step 4: Simplify right side
    45,312.30x = 1,653,691,647.49
  5. Step 5: Solve for x
    x = 1,653,691,647.49/45,312.30
  6. Step 6: Final answer
    x = 36,495.43

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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.