Home / 53,627.40-74,016.58-30,970.08

Finding the Fourth Proportional to 53,627.40, 74,016.58 and 30,970.08

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Solution

The fourth proportional to 53,627.40, 74,016.58 and 30,970.08 is: 42,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,627.40 : 74,016.58 = 30,970.08 : x
  2. Step 2: Convert to fraction form
    53,627.40/74,016.58 = 30,970.08/x
  3. Step 3: Cross multiply
    53,627.40x = 74,016.58 × 30,970.08
  4. Step 4: Simplify right side
    53,627.40x = 2,292,299,403.93
  5. Step 5: Solve for x
    x = 2,292,299,403.93/53,627.40
  6. Step 6: Final answer
    x = 42,744.93

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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.