Home / 53,616.48-74,001.24-30,970.10

Finding the Fourth Proportional to 53,616.48, 74,001.24 and 30,970.10

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Solution

The fourth proportional to 53,616.48, 74,001.24 and 30,970.10 is: 42,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,616.48 : 74,001.24 = 30,970.10 : x
  2. Step 2: Convert to fraction form
    53,616.48/74,001.24 = 30,970.10/x
  3. Step 3: Cross multiply
    53,616.48x = 74,001.24 × 30,970.10
  4. Step 4: Simplify right side
    53,616.48x = 2,291,825,432.92
  5. Step 5: Solve for x
    x = 2,291,825,432.92/53,616.48
  6. Step 6: Final answer
    x = 42,744.79

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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.