Home / 54,590.12-75,328.26-30,725

Finding the Fourth Proportional to 54,590.12, 75,328.26 and 30,725

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Solution

The fourth proportional to 54,590.12, 75,328.26 and 30,725 is: 42,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.12 : 75,328.26 = 30,725 : x
  2. Step 2: Convert to fraction form
    54,590.12/75,328.26 = 30,725/x
  3. Step 3: Cross multiply
    54,590.12x = 75,328.26 × 30,725
  4. Step 4: Simplify right side
    54,590.12x = 2,314,460,788.50
  5. Step 5: Solve for x
    x = 2,314,460,788.50/54,590.12
  6. Step 6: Final answer
    x = 42,397.06

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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.