Home / 42,590.74-58,744.02-28,224.58

Finding the Fourth Proportional to 42,590.74, 58,744.02 and 28,224.58

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Solution

The fourth proportional to 42,590.74, 58,744.02 and 28,224.58 is: 38,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590.74 : 58,744.02 = 28,224.58 : x
  2. Step 2: Convert to fraction form
    42,590.74/58,744.02 = 28,224.58/x
  3. Step 3: Cross multiply
    42,590.74x = 58,744.02 × 28,224.58
  4. Step 4: Simplify right side
    42,590.74x = 1,658,025,292.01
  5. Step 5: Solve for x
    x = 1,658,025,292.01/42,590.74
  6. Step 6: Final answer
    x = 38,929.24

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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.