Home / 54,590.08-75,334.40-30,718.08

Finding the Fourth Proportional to 54,590.08, 75,334.40 and 30,718.08

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Solution

The fourth proportional to 54,590.08, 75,334.40 and 30,718.08 is: 42,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.08 : 75,334.40 = 30,718.08 : x
  2. Step 2: Convert to fraction form
    54,590.08/75,334.40 = 30,718.08/x
  3. Step 3: Cross multiply
    54,590.08x = 75,334.40 × 30,718.08
  4. Step 4: Simplify right side
    54,590.08x = 2,314,128,125.95
  5. Step 5: Solve for x
    x = 2,314,128,125.95/54,590.08
  6. Step 6: Final answer
    x = 42,391.00

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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.