Home / 54,641.59-75,412.58-30,772.93

Finding the Fourth Proportional to 54,641.59, 75,412.58 and 30,772.93

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Solution

The fourth proportional to 54,641.59, 75,412.58 and 30,772.93 is: 42,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641.59 : 75,412.58 = 30,772.93 : x
  2. Step 2: Convert to fraction form
    54,641.59/75,412.58 = 30,772.93/x
  3. Step 3: Cross multiply
    54,641.59x = 75,412.58 × 30,772.93
  4. Step 4: Simplify right side
    54,641.59x = 2,320,666,045.46
  5. Step 5: Solve for x
    x = 2,320,666,045.46/54,641.59
  6. Step 6: Final answer
    x = 42,470.69

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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.